Finding the Fourth Proportional to 107,865.79, 148,850.72 and 62,545.68

Step by Step Solution

1. Step 1: Write the proportion equation
   107,865.79 : 148,850.72 = 62,545.68 : x
2. Step 2: Convert to fraction form
   107,865.79/148,850.72 = 62,545.68/x
3. Step 3: Cross multiply
   107,865.79x = 148,850.72 × 62,545.68
4. Step 4: Simplify right side
   107,865.79x = 9,309,969,500.89
5. Step 5: Solve for x
   x = 9,309,969,500.89/107,865.79
6. Step 6: Final answer
   x = 86,310.68