Finding the Fourth Proportional to 9,932.72, 13,706.44 and 5,456.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.72 : 13,706.44 = 5,456.76 : x
2. Step 2: Convert to fraction form
   9,932.72/13,706.44 = 5,456.76/x
3. Step 3: Cross multiply
   9,932.72x = 13,706.44 × 5,456.76
4. Step 4: Simplify right side
   9,932.72x = 74,792,753.53
5. Step 5: Solve for x
   x = 74,792,753.53/9,932.72
6. Step 6: Final answer
   x = 7,529.94