Finding the Fourth Proportional to 89,521.71, 123,539.88 and 49,236.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,521.71 : 123,539.88 = 49,236.09 : x
2. Step 2: Convert to fraction form
   89,521.71/123,539.88 = 49,236.09/x
3. Step 3: Cross multiply
   89,521.71x = 123,539.88 × 49,236.09
4. Step 4: Simplify right side
   89,521.71x = 6,082,620,650.27
5. Step 5: Solve for x
   x = 6,082,620,650.27/89,521.71
6. Step 6: Final answer
   x = 67,945.76