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Finding the Fourth Proportional to 98,914.53, 136,511.82 and 56,479.44

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Solution

The fourth proportional to 98,914.53, 136,511.82 and 56,479.44 is: 77,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914.53 : 136,511.82 = 56,479.44 : x
  2. Step 2: Convert to fraction form
    98,914.53/136,511.82 = 56,479.44/x
  3. Step 3: Cross multiply
    98,914.53x = 136,511.82 × 56,479.44
  4. Step 4: Simplify right side
    98,914.53x = 7,710,111,146.98
  5. Step 5: Solve for x
    x = 7,710,111,146.98/98,914.53
  6. Step 6: Final answer
    x = 77,947.20

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