Finding the Fourth Proportional to 2,801.10, 4,199.94 and 2,390.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.10 : 4,199.94 = 2,390.52 : x
2. Step 2: Convert to fraction form
   2,801.10/4,199.94 = 2,390.52/x
3. Step 3: Cross multiply
   2,801.10x = 4,199.94 × 2,390.52
4. Step 4: Simplify right side
   2,801.10x = 10,040,040.57
5. Step 5: Solve for x
   x = 10,040,040.57/2,801.10
6. Step 6: Final answer
   x = 3,584.32