Finding the Fourth Proportional to 10,502.10, 14,492.22 and 9,666.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,502.10 : 14,492.22 = 9,666.18 : x
2. Step 2: Convert to fraction form
   10,502.10/14,492.22 = 9,666.18/x
3. Step 3: Cross multiply
   10,502.10x = 14,492.22 × 9,666.18
4. Step 4: Simplify right side
   10,502.10x = 140,084,407.12
5. Step 5: Solve for x
   x = 140,084,407.12/10,502.10
6. Step 6: Final answer
   x = 13,338.70