Finding the Fourth Proportional to 2,390.77, 3,587.78 and 1,295.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.77 : 3,587.78 = 1,295.25 : x
2. Step 2: Convert to fraction form
   2,390.77/3,587.78 = 1,295.25/x
3. Step 3: Cross multiply
   2,390.77x = 3,587.78 × 1,295.25
4. Step 4: Simplify right side
   2,390.77x = 4,647,072.05
5. Step 5: Solve for x
   x = 4,647,072.05/2,390.77
6. Step 6: Final answer
   x = 1,943.76