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Finding the Fourth Proportional to 54,779.60, 82,121.40 and 37,192.40

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Solution

The fourth proportional to 54,779.60, 82,121.40 and 37,192.40 is: 55,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779.60 : 82,121.40 = 37,192.40 : x
  2. Step 2: Convert to fraction form
    54,779.60/82,121.40 = 37,192.40/x
  3. Step 3: Cross multiply
    54,779.60x = 82,121.40 × 37,192.40
  4. Step 4: Simplify right side
    54,779.60x = 3,054,291,957.36
  5. Step 5: Solve for x
    x = 3,054,291,957.36/54,779.60
  6. Step 6: Final answer
    x = 55,756.01

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