Finding the Fourth Proportional to 72,527.28, 108,766.28 and 25,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,527.28 : 108,766.28 = 25,131.31 : x
2. Step 2: Convert to fraction form
   72,527.28/108,766.28 = 25,131.31/x
3. Step 3: Cross multiply
   72,527.28x = 108,766.28 × 25,131.31
4. Step 4: Simplify right side
   72,527.28x = 2,733,438,702.65
5. Step 5: Solve for x
   x = 2,733,438,702.65/72,527.28
6. Step 6: Final answer
   x = 37,688.42