Finding the Fourth Proportional to 10,874.27, 16,385.48 and 8,943.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.27 : 16,385.48 = 8,943.16 : x
2. Step 2: Convert to fraction form
   10,874.27/16,385.48 = 8,943.16/x
3. Step 3: Cross multiply
   10,874.27x = 16,385.48 × 8,943.16
4. Step 4: Simplify right side
   10,874.27x = 146,537,969.32
5. Step 5: Solve for x
   x = 146,537,969.32/10,874.27
6. Step 6: Final answer
   x = 13,475.67