Finding the Fourth Proportional to 60,585.48, 83,579.24 and 42,690.33

Step by Step Solution

1. Step 1: Write the proportion equation
   60,585.48 : 83,579.24 = 42,690.33 : x
2. Step 2: Convert to fraction form
   60,585.48/83,579.24 = 42,690.33/x
3. Step 3: Cross multiply
   60,585.48x = 83,579.24 × 42,690.33
4. Step 4: Simplify right side
   60,585.48x = 3,568,025,443.48
5. Step 5: Solve for x
   x = 3,568,025,443.48/60,585.48
6. Step 6: Final answer
   x = 58,892.42