Finding the Fourth Proportional to 32,447.50, 48,686.23 and 12,731.29

Step by Step Solution

1. Step 1: Write the proportion equation
   32,447.50 : 48,686.23 = 12,731.29 : x
2. Step 2: Convert to fraction form
   32,447.50/48,686.23 = 12,731.29/x
3. Step 3: Cross multiply
   32,447.50x = 48,686.23 × 12,731.29
4. Step 4: Simplify right side
   32,447.50x = 619,838,407.34
5. Step 5: Solve for x
   x = 619,838,407.34/32,447.50
6. Step 6: Final answer
   x = 19,102.81