Finding the Fourth Proportional to 5,411.74, 8,101.17 and 3,465.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.74 : 8,101.17 = 3,465.31 : x
2. Step 2: Convert to fraction form
   5,411.74/8,101.17 = 3,465.31/x
3. Step 3: Cross multiply
   5,411.74x = 8,101.17 × 3,465.31
4. Step 4: Simplify right side
   5,411.74x = 28,073,065.41
5. Step 5: Solve for x
   x = 28,073,065.41/5,411.74
6. Step 6: Final answer
   x = 5,187.44