Finding the Fourth Proportional to 88,321.50, 121,885.59 and 48,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,321.50 : 121,885.59 = 48,577.50 : x
2. Step 2: Convert to fraction form
   88,321.50/121,885.59 = 48,577.50/x
3. Step 3: Cross multiply
   88,321.50x = 121,885.59 × 48,577.50
4. Step 4: Simplify right side
   88,321.50x = 5,920,897,248.23
5. Step 5: Solve for x
   x = 5,920,897,248.23/88,321.50
6. Step 6: Final answer
   x = 67,038.01