Finding the Fourth Proportional to 89,520.22, 123,539.88 and 49,236.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,520.22 : 123,539.88 = 49,236.02 : x
2. Step 2: Convert to fraction form
   89,520.22/123,539.88 = 49,236.02/x
3. Step 3: Cross multiply
   89,520.22x = 123,539.88 × 49,236.02
4. Step 4: Simplify right side
   89,520.22x = 6,082,612,002.48
5. Step 5: Solve for x
   x = 6,082,612,002.48/89,520.22
6. Step 6: Final answer
   x = 67,946.79