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Finding the Fourth Proportional to 87,106.60, 130,660.62 and 27,942.76

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Solution

The fourth proportional to 87,106.60, 130,660.62 and 27,942.76 is: 41,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,106.60 : 130,660.62 = 27,942.76 : x
  2. Step 2: Convert to fraction form
    87,106.60/130,660.62 = 27,942.76/x
  3. Step 3: Cross multiply
    87,106.60x = 130,660.62 × 27,942.76
  4. Step 4: Simplify right side
    87,106.60x = 3,651,018,346.11
  5. Step 5: Solve for x
    x = 3,651,018,346.11/87,106.60
  6. Step 6: Final answer
    x = 41,914.37

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