Finding the Fourth Proportional to 9,932.06, 13,706.32 and 5,455.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.06 : 13,706.32 = 5,455.86 : x
2. Step 2: Convert to fraction form
   9,932.06/13,706.32 = 5,455.86/x
3. Step 3: Cross multiply
   9,932.06x = 13,706.32 × 5,455.86
4. Step 4: Simplify right side
   9,932.06x = 74,779,763.04
5. Step 5: Solve for x
   x = 74,779,763.04/9,932.06
6. Step 6: Final answer
   x = 7,529.13