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Finding the Fourth Proportional to 77,962.84, 116,943.22 and 18,798.03

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Solution

The fourth proportional to 77,962.84, 116,943.22 and 18,798.03 is: 28,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,962.84 : 116,943.22 = 18,798.03 : x
  2. Step 2: Convert to fraction form
    77,962.84/116,943.22 = 18,798.03/x
  3. Step 3: Cross multiply
    77,962.84x = 116,943.22 × 18,798.03
  4. Step 4: Simplify right side
    77,962.84x = 2,198,302,110.86
  5. Step 5: Solve for x
    x = 2,198,302,110.86/77,962.84
  6. Step 6: Final answer
    x = 28,196.79

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