Finding the Fourth Proportional to 1,002.63, 1,502.91 and 352.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.63 : 1,502.91 = 352.83 : x
2. Step 2: Convert to fraction form
   1,002.63/1,502.91 = 352.83/x
3. Step 3: Cross multiply
   1,002.63x = 1,502.91 × 352.83
4. Step 4: Simplify right side
   1,002.63x = 530,271.74
5. Step 5: Solve for x
   x = 530,271.74/1,002.63
6. Step 6: Final answer
   x = 528.88