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Finding the Fourth Proportional to 78,323.65, 117,490.00 and 22,159.06

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Solution

The fourth proportional to 78,323.65, 117,490.00 and 22,159.06 is: 33,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,323.65 : 117,490.00 = 22,159.06 : x
  2. Step 2: Convert to fraction form
    78,323.65/117,490.00 = 22,159.06/x
  3. Step 3: Cross multiply
    78,323.65x = 117,490.00 × 22,159.06
  4. Step 4: Simplify right side
    78,323.65x = 2,603,467,427.35
  5. Step 5: Solve for x
    x = 2,603,467,427.35/78,323.65
  6. Step 6: Final answer
    x = 33,239.86

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