Finding the Fourth Proportional to 59,810.74, 82,442.61 and 40,423.59

Step by Step Solution

1. Step 1: Write the proportion equation
   59,810.74 : 82,442.61 = 40,423.59 : x
2. Step 2: Convert to fraction form
   59,810.74/82,442.61 = 40,423.59/x
3. Step 3: Cross multiply
   59,810.74x = 82,442.61 × 40,423.59
4. Step 4: Simplify right side
   59,810.74x = 3,332,626,265.17
5. Step 5: Solve for x
   x = 3,332,626,265.17/59,810.74
6. Step 6: Final answer
   x = 55,719.53