Finding the Fourth Proportional to 2,393.52, 3,588.45 and 2,149.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.52 : 3,588.45 = 2,149.31 : x
2. Step 2: Convert to fraction form
   2,393.52/3,588.45 = 2,149.31/x
3. Step 3: Cross multiply
   2,393.52x = 3,588.45 × 2,149.31
4. Step 4: Simplify right side
   2,393.52x = 7,712,673.53
5. Step 5: Solve for x
   x = 7,712,673.53/2,393.52
6. Step 6: Final answer
   x = 3,222.31