Finding the Fourth Proportional to 69,057.56, 95,306.83 and 40,385.99

Step by Step Solution

1. Step 1: Write the proportion equation
   69,057.56 : 95,306.83 = 40,385.99 : x
2. Step 2: Convert to fraction form
   69,057.56/95,306.83 = 40,385.99/x
3. Step 3: Cross multiply
   69,057.56x = 95,306.83 × 40,385.99
4. Step 4: Simplify right side
   69,057.56x = 3,849,060,820.61
5. Step 5: Solve for x
   x = 3,849,060,820.61/69,057.56
6. Step 6: Final answer
   x = 55,736.99