Finding the Fourth Proportional to 124,198.31, 171,393.71 and 67,609.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,198.31 : 171,393.71 = 67,609.69 : x
2. Step 2: Convert to fraction form
   124,198.31/171,393.71 = 67,609.69/x
3. Step 3: Cross multiply
   124,198.31x = 171,393.71 × 67,609.69
4. Step 4: Simplify right side
   124,198.31x = 11,587,874,834.52
5. Step 5: Solve for x
   x = 11,587,874,834.52/124,198.31
6. Step 6: Final answer
   x = 93,301.39