Finding the Fourth Proportional to 1,743.94, 2,406.91 and 1,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.94 : 2,406.91 = 1,045.72 : x
2. Step 2: Convert to fraction form
   1,743.94/2,406.91 = 1,045.72/x
3. Step 3: Cross multiply
   1,743.94x = 2,406.91 × 1,045.72
4. Step 4: Simplify right side
   1,743.94x = 2,516,945.29
5. Step 5: Solve for x
   x = 2,516,945.29/1,743.94
6. Step 6: Final answer
   x = 1,443.25