Finding the Fourth Proportional to 88,383.50, 121,969.25 and 48,639.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,383.50 : 121,969.25 = 48,639.50 : x
2. Step 2: Convert to fraction form
   88,383.50/121,969.25 = 48,639.50/x
3. Step 3: Cross multiply
   88,383.50x = 121,969.25 × 48,639.50
4. Step 4: Simplify right side
   88,383.50x = 5,932,523,335.38
5. Step 5: Solve for x
   x = 5,932,523,335.38/88,383.50
6. Step 6: Final answer
   x = 67,122.52