Finding the Fourth Proportional to 60,584.86, 83,578.38 and 42,689.71

Step by Step Solution

1. Step 1: Write the proportion equation
   60,584.86 : 83,578.38 = 42,689.71 : x
2. Step 2: Convert to fraction form
   60,584.86/83,578.38 = 42,689.71/x
3. Step 3: Cross multiply
   60,584.86x = 83,578.38 × 42,689.71
4. Step 4: Simplify right side
   60,584.86x = 3,567,936,386.58
5. Step 5: Solve for x
   x = 3,567,936,386.58/60,584.86
6. Step 6: Final answer
   x = 58,891.56