Finding the Fourth Proportional to 124,238.77, 186,339.06 and 68,106.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,238.77 : 186,339.06 = 68,106.69 : x
2. Step 2: Convert to fraction form
   124,238.77/186,339.06 = 68,106.69/x
3. Step 3: Cross multiply
   124,238.77x = 186,339.06 × 68,106.69
4. Step 4: Simplify right side
   124,238.77x = 12,690,936,253.78
5. Step 5: Solve for x
   x = 12,690,936,253.78/124,238.77
6. Step 6: Final answer
   x = 102,149.56