Finding the Fourth Proportional to 72,441.40, 108,688.20 and 32,457.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,441.40 : 108,688.20 = 32,457.10 : x
2. Step 2: Convert to fraction form
   72,441.40/108,688.20 = 32,457.10/x
3. Step 3: Cross multiply
   72,441.40x = 108,688.20 × 32,457.10
4. Step 4: Simplify right side
   72,441.40x = 3,527,703,776.22
5. Step 5: Solve for x
   x = 3,527,703,776.22/72,441.40
6. Step 6: Final answer
   x = 48,697.34