Finding the Fourth Proportional to 1,559.71, 2,150.33 and 1,293.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559.71 : 2,150.33 = 1,293.15 : x
2. Step 2: Convert to fraction form
   1,559.71/2,150.33 = 1,293.15/x
3. Step 3: Cross multiply
   1,559.71x = 2,150.33 × 1,293.15
4. Step 4: Simplify right side
   1,559.71x = 2,780,688.49
5. Step 5: Solve for x
   x = 2,780,688.49/1,559.71
6. Step 6: Final answer
   x = 1,782.82