Finding the Fourth Proportional to 23,456.61, 32,373.90 and 13,385.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.61 : 32,373.90 = 13,385.48 : x
2. Step 2: Convert to fraction form
   23,456.61/32,373.90 = 13,385.48/x
3. Step 3: Cross multiply
   23,456.61x = 32,373.90 × 13,385.48
4. Step 4: Simplify right side
   23,456.61x = 433,340,029.10
5. Step 5: Solve for x
   x = 433,340,029.10/23,456.61
6. Step 6: Final answer
   x = 18,474.11