Finding the Fourth Proportional to 23,471.78, 32,390.88 and 12,716.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,471.78 : 32,390.88 = 12,716.42 : x
2. Step 2: Convert to fraction form
   23,471.78/32,390.88 = 12,716.42/x
3. Step 3: Cross multiply
   23,471.78x = 32,390.88 × 12,716.42
4. Step 4: Simplify right side
   23,471.78x = 411,895,872.30
5. Step 5: Solve for x
   x = 411,895,872.30/23,471.78
6. Step 6: Final answer
   x = 17,548.56