Finding the Fourth Proportional to 1,743.56, 2,612.72 and 1,578.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.56 : 2,612.72 = 1,578.92 : x
2. Step 2: Convert to fraction form
   1,743.56/2,612.72 = 1,578.92/x
3. Step 3: Cross multiply
   1,743.56x = 2,612.72 × 1,578.92
4. Step 4: Simplify right side
   1,743.56x = 4,125,275.86
5. Step 5: Solve for x
   x = 4,125,275.86/1,743.56
6. Step 6: Final answer
   x = 2,366.01