Finding the Fourth Proportional to 89,285.31, 123,182.24 and 54,818.19

Step by Step Solution

1. Step 1: Write the proportion equation
   89,285.31 : 123,182.24 = 54,818.19 : x
2. Step 2: Convert to fraction form
   89,285.31/123,182.24 = 54,818.19/x
3. Step 3: Cross multiply
   89,285.31x = 123,182.24 × 54,818.19
4. Step 4: Simplify right side
   89,285.31x = 6,752,627,162.85
5. Step 5: Solve for x
   x = 6,752,627,162.85/89,285.31
6. Step 6: Final answer
   x = 75,629.77