Finding the Fourth Proportional to 88,416.50, 122,014.78 and 48,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,416.50 : 122,014.78 = 48,672.50 : x
2. Step 2: Convert to fraction form
   88,416.50/122,014.78 = 48,672.50/x
3. Step 3: Cross multiply
   88,416.50x = 122,014.78 × 48,672.50
4. Step 4: Simplify right side
   88,416.50x = 5,938,764,379.55
5. Step 5: Solve for x
   x = 5,938,764,379.55/88,416.50
6. Step 6: Final answer
   x = 67,168.06