Finding the Fourth Proportional to 2,391.47, 3,590.03 and 1,418.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.47 : 3,590.03 = 1,418.25 : x
2. Step 2: Convert to fraction form
   2,391.47/3,590.03 = 1,418.25/x
3. Step 3: Cross multiply
   2,391.47x = 3,590.03 × 1,418.25
4. Step 4: Simplify right side
   2,391.47x = 5,091,563.59
5. Step 5: Solve for x
   x = 5,091,563.59/2,391.47
6. Step 6: Final answer
   x = 2,129.06