Finding the Fourth Proportional to 60,640.29, 83,077.58 and 58,367.62

Step by Step Solution

1. Step 1: Write the proportion equation
   60,640.29 : 83,077.58 = 58,367.62 : x
2. Step 2: Convert to fraction form
   60,640.29/83,077.58 = 58,367.62/x
3. Step 3: Cross multiply
   60,640.29x = 83,077.58 × 58,367.62
4. Step 4: Simplify right side
   60,640.29x = 4,849,040,619.96
5. Step 5: Solve for x
   x = 4,849,040,619.96/60,640.29
6. Step 6: Final answer
   x = 79,964.01