Finding the Fourth Proportional to 2,331.73, 3,496.38 and 688.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.73 : 3,496.38 = 688.06 : x
2. Step 2: Convert to fraction form
   2,331.73/3,496.38 = 688.06/x
3. Step 3: Cross multiply
   2,331.73x = 3,496.38 × 688.06
4. Step 4: Simplify right side
   2,331.73x = 2,405,698.30
5. Step 5: Solve for x
   x = 2,405,698.30/2,331.73
6. Step 6: Final answer
   x = 1,031.72