Finding the Fourth Proportional to 89,561.38, 123,594.69 and 49,274.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,561.38 : 123,594.69 = 49,274.28 : x
2. Step 2: Convert to fraction form
   89,561.38/123,594.69 = 49,274.28/x
3. Step 3: Cross multiply
   89,561.38x = 123,594.69 × 49,274.28
4. Step 4: Simplify right side
   89,561.38x = 6,090,039,361.57
5. Step 5: Solve for x
   x = 6,090,039,361.57/89,561.38
6. Step 6: Final answer
   x = 67,998.50