Finding the Fourth Proportional to 42,401.85, 58,509.57 and 25,171.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,401.85 : 58,509.57 = 25,171.53 : x
2. Step 2: Convert to fraction form
   42,401.85/58,509.57 = 25,171.53/x
3. Step 3: Cross multiply
   42,401.85x = 58,509.57 × 25,171.53
4. Step 4: Simplify right side
   42,401.85x = 1,472,775,396.54
5. Step 5: Solve for x
   x = 1,472,775,396.54/42,401.85
6. Step 6: Final answer
   x = 34,733.75