Finding the Fourth Proportional to 16,474.88, 22,737.52 and 9,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,474.88 : 22,737.52 = 9,402.72 : x
2. Step 2: Convert to fraction form
   16,474.88/22,737.52 = 9,402.72/x
3. Step 3: Cross multiply
   16,474.88x = 22,737.52 × 9,402.72
4. Step 4: Simplify right side
   16,474.88x = 213,794,534.05
5. Step 5: Solve for x
   x = 213,794,534.05/16,474.88
6. Step 6: Final answer
   x = 12,977.00