Finding the Fourth Proportional to 2,149.39, 3,218.31 and 1,365.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.39 : 3,218.31 = 1,365.15 : x
2. Step 2: Convert to fraction form
   2,149.39/3,218.31 = 1,365.15/x
3. Step 3: Cross multiply
   2,149.39x = 3,218.31 × 1,365.15
4. Step 4: Simplify right side
   2,149.39x = 4,393,475.90
5. Step 5: Solve for x
   x = 4,393,475.90/2,149.39
6. Step 6: Final answer
   x = 2,044.06