Finding the Fourth Proportional to 90,286.72, 124,616.41 and 60,073.31

Step by Step Solution

1. Step 1: Write the proportion equation
   90,286.72 : 124,616.41 = 60,073.31 : x
2. Step 2: Convert to fraction form
   90,286.72/124,616.41 = 60,073.31/x
3. Step 3: Cross multiply
   90,286.72x = 124,616.41 × 60,073.31
4. Step 4: Simplify right side
   90,286.72x = 7,486,120,390.37
5. Step 5: Solve for x
   x = 7,486,120,390.37/90,286.72
6. Step 6: Final answer
   x = 82,914.97