Finding the Fourth Proportional to 88,379.50, 121,963.73 and 48,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,379.50 : 121,963.73 = 48,635.50 : x
2. Step 2: Convert to fraction form
   88,379.50/121,963.73 = 48,635.50/x
3. Step 3: Cross multiply
   88,379.50x = 121,963.73 × 48,635.50
4. Step 4: Simplify right side
   88,379.50x = 5,931,766,990.42
5. Step 5: Solve for x
   x = 5,931,766,990.42/88,379.50
6. Step 6: Final answer
   x = 67,117.00