Finding the Fourth Proportional to 32,404.43, 48,605.02 and 12,686.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,404.43 : 48,605.02 = 12,686.60 : x
2. Step 2: Convert to fraction form
   32,404.43/48,605.02 = 12,686.60/x
3. Step 3: Cross multiply
   32,404.43x = 48,605.02 × 12,686.60
4. Step 4: Simplify right side
   32,404.43x = 616,632,536.53
5. Step 5: Solve for x
   x = 616,632,536.53/32,404.43
6. Step 6: Final answer
   x = 19,029.27