Finding the Fourth Proportional to 72,530.28, 108,826.38 and 40,964.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,530.28 : 108,826.38 = 40,964.04 : x
2. Step 2: Convert to fraction form
   72,530.28/108,826.38 = 40,964.04/x
3. Step 3: Cross multiply
   72,530.28x = 108,826.38 × 40,964.04
4. Step 4: Simplify right side
   72,530.28x = 4,457,968,183.38
5. Step 5: Solve for x
   x = 4,457,968,183.38/72,530.28
6. Step 6: Final answer
   x = 61,463.55