Finding the Fourth Proportional to 131,535.26, 197,304.71 and 42,789.23

Step by Step Solution

1. Step 1: Write the proportion equation
   131,535.26 : 197,304.71 = 42,789.23 : x
2. Step 2: Convert to fraction form
   131,535.26/197,304.71 = 42,789.23/x
3. Step 3: Cross multiply
   131,535.26x = 197,304.71 × 42,789.23
4. Step 4: Simplify right side
   131,535.26x = 8,442,516,616.27
5. Step 5: Solve for x
   x = 8,442,516,616.27/131,535.26
6. Step 6: Final answer
   x = 64,184.44