Finding the Fourth Proportional to 124,698.42, 172,078.83 and 68,111.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,698.42 : 172,078.83 = 68,111.82 : x
2. Step 2: Convert to fraction form
   124,698.42/172,078.83 = 68,111.82/x
3. Step 3: Cross multiply
   124,698.42x = 172,078.83 × 68,111.82
4. Step 4: Simplify right side
   124,698.42x = 11,720,602,294.77
5. Step 5: Solve for x
   x = 11,720,602,294.77/124,698.42
6. Step 6: Final answer
   x = 93,991.59