Finding the Fourth Proportional to 89,779.98, 123,896.76 and 49,492.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,779.98 : 123,896.76 = 49,492.82 : x
2. Step 2: Convert to fraction form
   89,779.98/123,896.76 = 49,492.82/x
3. Step 3: Cross multiply
   89,779.98x = 123,896.76 × 49,492.82
4. Step 4: Simplify right side
   89,779.98x = 6,132,000,041.26
5. Step 5: Solve for x
   x = 6,132,000,041.26/89,779.98
6. Step 6: Final answer
   x = 68,300.31