Finding the Fourth Proportional to 2,801.39, 3,867.98 and 1,807.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.39 : 3,867.98 = 1,807.25 : x
2. Step 2: Convert to fraction form
   2,801.39/3,867.98 = 1,807.25/x
3. Step 3: Cross multiply
   2,801.39x = 3,867.98 × 1,807.25
4. Step 4: Simplify right side
   2,801.39x = 6,990,378.48
5. Step 5: Solve for x
   x = 6,990,378.48/2,801.39
6. Step 6: Final answer
   x = 2,495.33