Finding the Fourth Proportional to 60,585.64, 83,640.98 and 42,491.92

Step by Step Solution

1. Step 1: Write the proportion equation
   60,585.64 : 83,640.98 = 42,491.92 : x
2. Step 2: Convert to fraction form
   60,585.64/83,640.98 = 42,491.92/x
3. Step 3: Cross multiply
   60,585.64x = 83,640.98 × 42,491.92
4. Step 4: Simplify right side
   60,585.64x = 3,554,065,830.88
5. Step 5: Solve for x
   x = 3,554,065,830.88/60,585.64
6. Step 6: Final answer
   x = 58,661.85