Finding the Fourth Proportional to 1,662.32, 2,494.08 and 688.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.32 : 2,494.08 = 688.52 : x
2. Step 2: Convert to fraction form
   1,662.32/2,494.08 = 688.52/x
3. Step 3: Cross multiply
   1,662.32x = 2,494.08 × 688.52
4. Step 4: Simplify right side
   1,662.32x = 1,717,223.96
5. Step 5: Solve for x
   x = 1,717,223.96/1,662.32
6. Step 6: Final answer
   x = 1,033.03