Finding the Fourth Proportional to 2,648.04, 3,969.30 and 1,003.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.04 : 3,969.30 = 1,003.56 : x
2. Step 2: Convert to fraction form
   2,648.04/3,969.30 = 1,003.56/x
3. Step 3: Cross multiply
   2,648.04x = 3,969.30 × 1,003.56
4. Step 4: Simplify right side
   2,648.04x = 3,983,430.71
5. Step 5: Solve for x
   x = 3,983,430.71/2,648.04
6. Step 6: Final answer
   x = 1,504.29