Finding the Fourth Proportional to 23,531.94, 32,472.06 and 13,458.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,531.94 : 32,472.06 = 13,458.78 : x
2. Step 2: Convert to fraction form
   23,531.94/32,472.06 = 13,458.78/x
3. Step 3: Cross multiply
   23,531.94x = 32,472.06 × 13,458.78
4. Step 4: Simplify right side
   23,531.94x = 437,034,311.69
5. Step 5: Solve for x
   x = 437,034,311.69/23,531.94
6. Step 6: Final answer
   x = 18,571.96