Finding the Fourth Proportional to 9,762.52, 13,471.98 and 5,570.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.52 : 13,471.98 = 5,570.56 : x
2. Step 2: Convert to fraction form
   9,762.52/13,471.98 = 5,570.56/x
3. Step 3: Cross multiply
   9,762.52x = 13,471.98 × 5,570.56
4. Step 4: Simplify right side
   9,762.52x = 75,046,472.91
5. Step 5: Solve for x
   x = 75,046,472.91/9,762.52
6. Step 6: Final answer
   x = 7,687.20