Finding the Fourth Proportional to 5,104.27, 7,043.71 and 3,118.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,104.27 : 7,043.71 = 3,118.15 : x
2. Step 2: Convert to fraction form
   5,104.27/7,043.71 = 3,118.15/x
3. Step 3: Cross multiply
   5,104.27x = 7,043.71 × 3,118.15
4. Step 4: Simplify right side
   5,104.27x = 21,963,301.32
5. Step 5: Solve for x
   x = 21,963,301.32/5,104.27
6. Step 6: Final answer
   x = 4,302.93