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Finding the Fourth Proportional to 86,923.40, 130,385.10 and 62,040.20

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Solution

The fourth proportional to 86,923.40, 130,385.10 and 62,040.20 is: 93,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.40 : 130,385.10 = 62,040.20 : x
  2. Step 2: Convert to fraction form
    86,923.40/130,385.10 = 62,040.20/x
  3. Step 3: Cross multiply
    86,923.40x = 130,385.10 × 62,040.20
  4. Step 4: Simplify right side
    86,923.40x = 8,089,117,681.02
  5. Step 5: Solve for x
    x = 8,089,117,681.02/86,923.40
  6. Step 6: Final answer
    x = 93,060.30

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