Finding the Fourth Proportional to 2,332.04, 3,498.72 and 688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,332.04 : 3,498.72 = 688.72 : x
2. Step 2: Convert to fraction form
   2,332.04/3,498.72 = 688.72/x
3. Step 3: Cross multiply
   2,332.04x = 3,498.72 × 688.72
4. Step 4: Simplify right side
   2,332.04x = 2,409,638.44
5. Step 5: Solve for x
   x = 2,409,638.44/2,332.04
6. Step 6: Final answer
   x = 1,033.27