Finding the Fourth Proportional to 2,339.72, 3,510.08 and 696.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.72 : 3,510.08 = 696.39 : x
2. Step 2: Convert to fraction form
   2,339.72/3,510.08 = 696.39/x
3. Step 3: Cross multiply
   2,339.72x = 3,510.08 × 696.39
4. Step 4: Simplify right side
   2,339.72x = 2,444,384.61
5. Step 5: Solve for x
   x = 2,444,384.61/2,339.72
6. Step 6: Final answer
   x = 1,044.73