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Finding the Fourth Proportional to 77,188.56, 115,728.16 and 29,763.46

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Solution

The fourth proportional to 77,188.56, 115,728.16 and 29,763.46 is: 44,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,188.56 : 115,728.16 = 29,763.46 : x
  2. Step 2: Convert to fraction form
    77,188.56/115,728.16 = 29,763.46/x
  3. Step 3: Cross multiply
    77,188.56x = 115,728.16 × 29,763.46
  4. Step 4: Simplify right side
    77,188.56x = 3,444,470,312.22
  5. Step 5: Solve for x
    x = 3,444,470,312.22/77,188.56
  6. Step 6: Final answer
    x = 44,624.11

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