Finding the Fourth Proportional to 108,613.91, 149,879.59 and 60,215.39

Step by Step Solution

1. Step 1: Write the proportion equation
   108,613.91 : 149,879.59 = 60,215.39 : x
2. Step 2: Convert to fraction form
   108,613.91/149,879.59 = 60,215.39/x
3. Step 3: Cross multiply
   108,613.91x = 149,879.59 × 60,215.39
4. Step 4: Simplify right side
   108,613.91x = 9,025,057,964.89
5. Step 5: Solve for x
   x = 9,025,057,964.89/108,613.91
6. Step 6: Final answer
   x = 83,093.02