Finding the Fourth Proportional to 124,258.74, 171,478.89 and 67,669.98

Step by Step Solution

1. Step 1: Write the proportion equation
   124,258.74 : 171,478.89 = 67,669.98 : x
2. Step 2: Convert to fraction form
   124,258.74/171,478.89 = 67,669.98/x
3. Step 3: Cross multiply
   124,258.74x = 171,478.89 × 67,669.98
4. Step 4: Simplify right side
   124,258.74x = 11,603,973,056.72
5. Step 5: Solve for x
   x = 11,603,973,056.72/124,258.74
6. Step 6: Final answer
   x = 93,385.57