Finding the Fourth Proportional to 90,244.72, 124,498.38 and 54,414.37

Step by Step Solution

1. Step 1: Write the proportion equation
   90,244.72 : 124,498.38 = 54,414.37 : x
2. Step 2: Convert to fraction form
   90,244.72/124,498.38 = 54,414.37/x
3. Step 3: Cross multiply
   90,244.72x = 124,498.38 × 54,414.37
4. Step 4: Simplify right side
   90,244.72x = 6,774,500,913.72
5. Step 5: Solve for x
   x = 6,774,500,913.72/90,244.72
6. Step 6: Final answer
   x = 75,068.11