Finding the Fourth Proportional to 89,693.82, 123,771.89 and 49,405.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,693.82 : 123,771.89 = 49,405.32 : x
2. Step 2: Convert to fraction form
   89,693.82/123,771.89 = 49,405.32/x
3. Step 3: Cross multiply
   89,693.82x = 123,771.89 × 49,405.32
4. Step 4: Simplify right side
   89,693.82x = 6,114,989,585.43
5. Step 5: Solve for x
   x = 6,114,989,585.43/89,693.82
6. Step 6: Final answer
   x = 68,176.26