Finding the Fourth Proportional to 2,268.69, 3,131.99 and 1,526.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.69 : 3,131.99 = 1,526.55 : x
2. Step 2: Convert to fraction form
   2,268.69/3,131.99 = 1,526.55/x
3. Step 3: Cross multiply
   2,268.69x = 3,131.99 × 1,526.55
4. Step 4: Simplify right side
   2,268.69x = 4,781,131.70
5. Step 5: Solve for x
   x = 4,781,131.70/2,268.69
6. Step 6: Final answer
   x = 2,107.44