Finding the Fourth Proportional to 23,700.72, 32,706.30 and 13,090.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,700.72 : 32,706.30 = 13,090.12 : x
2. Step 2: Convert to fraction form
   23,700.72/32,706.30 = 13,090.12/x
3. Step 3: Cross multiply
   23,700.72x = 32,706.30 × 13,090.12
4. Step 4: Simplify right side
   23,700.72x = 428,129,391.76
5. Step 5: Solve for x
   x = 428,129,391.76/23,700.72
6. Step 6: Final answer
   x = 18,063.98