Finding the Fourth Proportional to 107,426.82, 148,183.32 and 63,789.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,426.82 : 148,183.32 = 63,789.78 : x
2. Step 2: Convert to fraction form
   107,426.82/148,183.32 = 63,789.78/x
3. Step 3: Cross multiply
   107,426.82x = 148,183.32 × 63,789.78
4. Step 4: Simplify right side
   107,426.82x = 9,452,581,382.47
5. Step 5: Solve for x
   x = 9,452,581,382.47/107,426.82
6. Step 6: Final answer
   x = 87,990.89