Finding the Fourth Proportional to 10,312.52, 15,470.49 and 3,747.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312.52 : 15,470.49 = 3,747.87 : x
2. Step 2: Convert to fraction form
   10,312.52/15,470.49 = 3,747.87/x
3. Step 3: Cross multiply
   10,312.52x = 15,470.49 × 3,747.87
4. Step 4: Simplify right side
   10,312.52x = 57,981,399.41
5. Step 5: Solve for x
   x = 57,981,399.41/10,312.52
6. Step 6: Final answer
   x = 5,622.43