Finding the Fourth Proportional to 72,447.40, 108,697.20 and 32,463.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,447.40 : 108,697.20 = 32,463.10 : x
2. Step 2: Convert to fraction form
   72,447.40/108,697.20 = 32,463.10/x
3. Step 3: Cross multiply
   72,447.40x = 108,697.20 × 32,463.10
4. Step 4: Simplify right side
   72,447.40x = 3,528,648,073.32
5. Step 5: Solve for x
   x = 3,528,648,073.32/72,447.40
6. Step 6: Final answer
   x = 48,706.35