Finding the Fourth Proportional to 89,555.59, 123,586.72 and 49,268.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,555.59 : 123,586.72 = 49,268.49 : x
2. Step 2: Convert to fraction form
   89,555.59/123,586.72 = 49,268.49/x
3. Step 3: Cross multiply
   89,555.59x = 123,586.72 × 49,268.49
4. Step 4: Simplify right side
   89,555.59x = 6,088,930,893.70
5. Step 5: Solve for x
   x = 6,088,930,893.70/89,555.59
6. Step 6: Final answer
   x = 67,990.52