Finding the Fourth Proportional to 11,731.38, 16,210.29 and 9,392.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,731.38 : 16,210.29 = 9,392.82 : x
2. Step 2: Convert to fraction form
   11,731.38/16,210.29 = 9,392.82/x
3. Step 3: Cross multiply
   11,731.38x = 16,210.29 × 9,392.82
4. Step 4: Simplify right side
   11,731.38x = 152,260,336.12
5. Step 5: Solve for x
   x = 152,260,336.12/11,731.38
6. Step 6: Final answer
   x = 12,978.89