Finding the Fourth Proportional to 74,699.52, 103,082.72 and 40,707.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,699.52 : 103,082.72 = 40,707.31 : x
2. Step 2: Convert to fraction form
   74,699.52/103,082.72 = 40,707.31/x
3. Step 3: Cross multiply
   74,699.52x = 103,082.72 × 40,707.31
4. Step 4: Simplify right side
   74,699.52x = 4,196,220,035.15
5. Step 5: Solve for x
   x = 4,196,220,035.15/74,699.52
6. Step 6: Final answer
   x = 56,174.66