Finding the Fourth Proportional to 1,002.65, 1,502.69 and 482.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.65 : 1,502.69 = 482.76 : x
2. Step 2: Convert to fraction form
   1,002.65/1,502.69 = 482.76/x
3. Step 3: Cross multiply
   1,002.65x = 1,502.69 × 482.76
4. Step 4: Simplify right side
   1,002.65x = 725,436.21
5. Step 5: Solve for x
   x = 725,436.21/1,002.65
6. Step 6: Final answer
   x = 723.52