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Finding the Fourth Proportional to 88,698.65, 122,196.20 and 61,792.47

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Solution

The fourth proportional to 88,698.65, 122,196.20 and 61,792.47 is: 85,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.65 : 122,196.20 = 61,792.47 : x
  2. Step 2: Convert to fraction form
    88,698.65/122,196.20 = 61,792.47/x
  3. Step 3: Cross multiply
    88,698.65x = 122,196.20 × 61,792.47
  4. Step 4: Simplify right side
    88,698.65x = 7,550,804,713.65
  5. Step 5: Solve for x
    x = 7,550,804,713.65/88,698.65
  6. Step 6: Final answer
    x = 85,128.75

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