Finding the Fourth Proportional to 124,341.30, 186,513.17 and 68,150.79

Step by Step Solution

1. Step 1: Write the proportion equation
   124,341.30 : 186,513.17 = 68,150.79 : x
2. Step 2: Convert to fraction form
   124,341.30/186,513.17 = 68,150.79/x
3. Step 3: Cross multiply
   124,341.30x = 186,513.17 × 68,150.79
4. Step 4: Simplify right side
   124,341.30x = 12,711,019,540.15
5. Step 5: Solve for x
   x = 12,711,019,540.15/124,341.30
6. Step 6: Final answer
   x = 102,226.85