Finding the Fourth Proportional to 23,757.16, 32,784.42 and 13,146.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,757.16 : 32,784.42 = 13,146.60 : x
2. Step 2: Convert to fraction form
   23,757.16/32,784.42 = 13,146.60/x
3. Step 3: Cross multiply
   23,757.16x = 32,784.42 × 13,146.60
4. Step 4: Simplify right side
   23,757.16x = 431,003,655.97
5. Step 5: Solve for x
   x = 431,003,655.97/23,757.16
6. Step 6: Final answer
   x = 18,142.05