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Finding the Fourth Proportional to 48,641.13, 72,961.71 and 11,705.13

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Solution

The fourth proportional to 48,641.13, 72,961.71 and 11,705.13 is: 17,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.13 : 72,961.71 = 11,705.13 : x
  2. Step 2: Convert to fraction form
    48,641.13/72,961.71 = 11,705.13/x
  3. Step 3: Cross multiply
    48,641.13x = 72,961.71 × 11,705.13
  4. Step 4: Simplify right side
    48,641.13x = 854,026,300.57
  5. Step 5: Solve for x
    x = 854,026,300.57/48,641.13
  6. Step 6: Final answer
    x = 17,557.70

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