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Finding the Fourth Proportional to 58,141.80, 87,212.70 and 57,704.40

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Solution

The fourth proportional to 58,141.80, 87,212.70 and 57,704.40 is: 86,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,141.80 : 87,212.70 = 57,704.40 : x
  2. Step 2: Convert to fraction form
    58,141.80/87,212.70 = 57,704.40/x
  3. Step 3: Cross multiply
    58,141.80x = 87,212.70 × 57,704.40
  4. Step 4: Simplify right side
    58,141.80x = 5,032,556,525.88
  5. Step 5: Solve for x
    x = 5,032,556,525.88/58,141.80
  6. Step 6: Final answer
    x = 86,556.60

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