Finding the Fourth Proportional to 3,943.74, 5,898.17 and 3,508.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.74 : 5,898.17 = 3,508.05 : x
2. Step 2: Convert to fraction form
   3,943.74/5,898.17 = 3,508.05/x
3. Step 3: Cross multiply
   3,943.74x = 5,898.17 × 3,508.05
4. Step 4: Simplify right side
   3,943.74x = 20,691,075.27
5. Step 5: Solve for x
   x = 20,691,075.27/3,943.74
6. Step 6: Final answer
   x = 5,246.56