Finding the Fourth Proportional to 124,071.42, 171,217.98 and 67,482.78

Step by Step Solution

1. Step 1: Write the proportion equation
   124,071.42 : 171,217.98 = 67,482.78 : x
2. Step 2: Convert to fraction form
   124,071.42/171,217.98 = 67,482.78/x
3. Step 3: Cross multiply
   124,071.42x = 171,217.98 × 67,482.78
4. Step 4: Simplify right side
   124,071.42x = 11,554,265,276.38
5. Step 5: Solve for x
   x = 11,554,265,276.38/124,071.42
6. Step 6: Final answer
   x = 93,125.92