Finding the Fourth Proportional to 2,259.50, 3,117.57 and 1,314.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.50 : 3,117.57 = 1,314.71 : x
2. Step 2: Convert to fraction form
   2,259.50/3,117.57 = 1,314.71/x
3. Step 3: Cross multiply
   2,259.50x = 3,117.57 × 1,314.71
4. Step 4: Simplify right side
   2,259.50x = 4,098,709.16
5. Step 5: Solve for x
   x = 4,098,709.16/2,259.50
6. Step 6: Final answer
   x = 1,813.99