Finding the Fourth Proportional to 3,411.27, 5,113.71 and 3,106.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.27 : 5,113.71 = 3,106.94 : x
2. Step 2: Convert to fraction form
   3,411.27/5,113.71 = 3,106.94/x
3. Step 3: Cross multiply
   3,411.27x = 5,113.71 × 3,106.94
4. Step 4: Simplify right side
   3,411.27x = 15,887,964.58
5. Step 5: Solve for x
   x = 15,887,964.58/3,411.27
6. Step 6: Final answer
   x = 4,657.49