Finding the Fourth Proportional to 90,288.23, 124,618.49 and 60,074.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,288.23 : 124,618.49 = 60,074.82 : x
2. Step 2: Convert to fraction form
   90,288.23/124,618.49 = 60,074.82/x
3. Step 3: Cross multiply
   90,288.23x = 124,618.49 × 60,074.82
4. Step 4: Simplify right side
   90,288.23x = 7,486,433,055.05
5. Step 5: Solve for x
   x = 7,486,433,055.05/90,288.23
6. Step 6: Final answer
   x = 82,917.05