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Finding the Fourth Proportional to 208,915.02, 288,303.93 and 122,877.65

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Solution

The fourth proportional to 208,915.02, 288,303.93 and 122,877.65 is: 169,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,915.02 : 288,303.93 = 122,877.65 : x
  2. Step 2: Convert to fraction form
    208,915.02/288,303.93 = 122,877.65/x
  3. Step 3: Cross multiply
    208,915.02x = 288,303.93 × 122,877.65
  4. Step 4: Simplify right side
    208,915.02x = 35,426,109,404.16
  5. Step 5: Solve for x
    x = 35,426,109,404.16/208,915.02
  6. Step 6: Final answer
    x = 169,571.86

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