Finding the Fourth Proportional to 1,002.48, 1,501.56 and 676.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.48 : 1,501.56 = 676.32 : x
2. Step 2: Convert to fraction form
   1,002.48/1,501.56 = 676.32/x
3. Step 3: Cross multiply
   1,002.48x = 1,501.56 × 676.32
4. Step 4: Simplify right side
   1,002.48x = 1,015,535.06
5. Step 5: Solve for x
   x = 1,015,535.06/1,002.48
6. Step 6: Final answer
   x = 1,013.02