Finding the Fourth Proportional to 2,380.88, 3,284.16 and 1,540.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.88 : 3,284.16 = 1,540.24 : x
2. Step 2: Convert to fraction form
   2,380.88/3,284.16 = 1,540.24/x
3. Step 3: Cross multiply
   2,380.88x = 3,284.16 × 1,540.24
4. Step 4: Simplify right side
   2,380.88x = 5,058,394.60
5. Step 5: Solve for x
   x = 5,058,394.60/2,380.88
6. Step 6: Final answer
   x = 2,124.59