Finding the Fourth Proportional to 9,932.40, 13,706.80 and 5,456.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.40 : 13,706.80 = 5,456.57 : x
2. Step 2: Convert to fraction form
   9,932.40/13,706.80 = 5,456.57/x
3. Step 3: Cross multiply
   9,932.40x = 13,706.80 × 5,456.57
4. Step 4: Simplify right side
   9,932.40x = 74,792,031.50
5. Step 5: Solve for x
   x = 74,792,031.50/9,932.40
6. Step 6: Final answer
   x = 7,530.11