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Finding the Fourth Proportional to 78,107.36, 107,790 and 44,576.48

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Solution

The fourth proportional to 78,107.36, 107,790 and 44,576.48 is: 61,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,107.36 : 107,790 = 44,576.48 : x
  2. Step 2: Convert to fraction form
    78,107.36/107,790 = 44,576.48/x
  3. Step 3: Cross multiply
    78,107.36x = 107,790 × 44,576.48
  4. Step 4: Simplify right side
    78,107.36x = 4,804,898,779.20
  5. Step 5: Solve for x
    x = 4,804,898,779.20/78,107.36
  6. Step 6: Final answer
    x = 61,516.59

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