Finding the Fourth Proportional to 16,602.32, 22,911.72 and 9,531.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,602.32 : 22,911.72 = 9,531.02 : x
2. Step 2: Convert to fraction form
   16,602.32/22,911.72 = 9,531.02/x
3. Step 3: Cross multiply
   16,602.32x = 22,911.72 × 9,531.02
4. Step 4: Simplify right side
   16,602.32x = 218,372,061.55
5. Step 5: Solve for x
   x = 218,372,061.55/16,602.32
6. Step 6: Final answer
   x = 13,153.11