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Finding the Fourth Proportional to 98,908.76, 136,493.91 and 53,587.90

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Solution

The fourth proportional to 98,908.76, 136,493.91 and 53,587.90 is: 73,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,908.76 : 136,493.91 = 53,587.90 : x
  2. Step 2: Convert to fraction form
    98,908.76/136,493.91 = 53,587.90/x
  3. Step 3: Cross multiply
    98,908.76x = 136,493.91 × 53,587.90
  4. Step 4: Simplify right side
    98,908.76x = 7,314,421,402.53
  5. Step 5: Solve for x
    x = 7,314,421,402.53/98,908.76
  6. Step 6: Final answer
    x = 73,951.20

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