Finding the Fourth Proportional to 2,867.52, 4,298.40 and 1,325.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.52 : 4,298.40 = 1,325.76 : x
2. Step 2: Convert to fraction form
   2,867.52/4,298.40 = 1,325.76/x
3. Step 3: Cross multiply
   2,867.52x = 4,298.40 × 1,325.76
4. Step 4: Simplify right side
   2,867.52x = 5,698,646.78
5. Step 5: Solve for x
   x = 5,698,646.78/2,867.52
6. Step 6: Final answer
   x = 1,987.31