Finding the Fourth Proportional to 1,749.72, 2,414.64 and 1,003.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.72 : 2,414.64 = 1,003.91 : x
2. Step 2: Convert to fraction form
   1,749.72/2,414.64 = 1,003.91/x
3. Step 3: Cross multiply
   1,749.72x = 2,414.64 × 1,003.91
4. Step 4: Simplify right side
   1,749.72x = 2,424,069.17
5. Step 5: Solve for x
   x = 2,424,069.17/1,749.72
6. Step 6: Final answer
   x = 1,385.40