Finding the Fourth Proportional to 108,456.71, 149,673.42 and 60,708.83

Step by Step Solution

1. Step 1: Write the proportion equation
   108,456.71 : 149,673.42 = 60,708.83 : x
2. Step 2: Convert to fraction form
   108,456.71/149,673.42 = 60,708.83/x
3. Step 3: Cross multiply
   108,456.71x = 149,673.42 × 60,708.83
4. Step 4: Simplify right side
   108,456.71x = 9,086,497,461.93
5. Step 5: Solve for x
   x = 9,086,497,461.93/108,456.71
6. Step 6: Final answer
   x = 83,779.95