Finding the Fourth Proportional to 1,749.42, 2,413.98 and 1,003.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.42 : 2,413.98 = 1,003.28 : x
2. Step 2: Convert to fraction form
   1,749.42/2,413.98 = 1,003.28/x
3. Step 3: Cross multiply
   1,749.42x = 2,413.98 × 1,003.28
4. Step 4: Simplify right side
   1,749.42x = 2,421,885.78
5. Step 5: Solve for x
   x = 2,421,885.78/1,749.42
6. Step 6: Final answer
   x = 1,384.39