Finding the Fourth Proportional to 10,872.57, 16,322.63 and 9,046.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,872.57 : 16,322.63 = 9,046.02 : x
2. Step 2: Convert to fraction form
   10,872.57/16,322.63 = 9,046.02/x
3. Step 3: Cross multiply
   10,872.57x = 16,322.63 × 9,046.02
4. Step 4: Simplify right side
   10,872.57x = 147,654,792.20
5. Step 5: Solve for x
   x = 147,654,792.20/10,872.57
6. Step 6: Final answer
   x = 13,580.49