Finding the Fourth Proportional to 2,268.86, 3,131.01 and 1,325.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.86 : 3,131.01 = 1,325.30 : x
2. Step 2: Convert to fraction form
   2,268.86/3,131.01 = 1,325.30/x
3. Step 3: Cross multiply
   2,268.86x = 3,131.01 × 1,325.30
4. Step 4: Simplify right side
   2,268.86x = 4,149,511.90
5. Step 5: Solve for x
   x = 4,149,511.90/2,268.86
6. Step 6: Final answer
   x = 1,828.90