Finding the Fourth Proportional to 9,912.52, 13,677.90 and 5,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.52 : 13,677.90 = 5,932.72 : x
2. Step 2: Convert to fraction form
   9,912.52/13,677.90 = 5,932.72/x
3. Step 3: Cross multiply
   9,912.52x = 13,677.90 × 5,932.72
4. Step 4: Simplify right side
   9,912.52x = 81,147,150.89
5. Step 5: Solve for x
   x = 81,147,150.89/9,912.52
6. Step 6: Final answer
   x = 8,186.33