Finding the Fourth Proportional to 60,586.48, 83,580.62 and 42,691.33

Step by Step Solution

1. Step 1: Write the proportion equation
   60,586.48 : 83,580.62 = 42,691.33 : x
2. Step 2: Convert to fraction form
   60,586.48/83,580.62 = 42,691.33/x
3. Step 3: Cross multiply
   60,586.48x = 83,580.62 × 42,691.33
4. Step 4: Simplify right side
   60,586.48x = 3,568,167,830.02
5. Step 5: Solve for x
   x = 3,568,167,830.02/60,586.48
6. Step 6: Final answer
   x = 58,893.80