Finding the Fourth Proportional to 9,240.54, 12,752.47 and 5,703.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,240.54 : 12,752.47 = 5,703.81 : x
2. Step 2: Convert to fraction form
   9,240.54/12,752.47 = 5,703.81/x
3. Step 3: Cross multiply
   9,240.54x = 12,752.47 × 5,703.81
4. Step 4: Simplify right side
   9,240.54x = 72,737,665.91
5. Step 5: Solve for x
   x = 72,737,665.91/9,240.54
6. Step 6: Final answer
   x = 7,871.58