Finding the Fourth Proportional to 9,932.88, 13,707.42 and 5,456.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.88 : 13,707.42 = 5,456.73 : x
2. Step 2: Convert to fraction form
   9,932.88/13,707.42 = 5,456.73/x
3. Step 3: Cross multiply
   9,932.88x = 13,707.42 × 5,456.73
4. Step 4: Simplify right side
   9,932.88x = 74,797,689.94
5. Step 5: Solve for x
   x = 74,797,689.94/9,932.88
6. Step 6: Final answer
   x = 7,530.31