Finding the Fourth Proportional to 89,779.46, 123,894.12 and 49,496.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,779.46 : 123,894.12 = 49,496.96 : x
2. Step 2: Convert to fraction form
   89,779.46/123,894.12 = 49,496.96/x
3. Step 3: Cross multiply
   89,779.46x = 123,894.12 × 49,496.96
4. Step 4: Simplify right side
   89,779.46x = 6,132,382,301.88
5. Step 5: Solve for x
   x = 6,132,382,301.88/89,779.46
6. Step 6: Final answer
   x = 68,304.96