Finding the Fourth Proportional to 2,340.52, 3,510.06 and 880.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,340.52 : 3,510.06 = 880.36 : x
2. Step 2: Convert to fraction form
   2,340.52/3,510.06 = 880.36/x
3. Step 3: Cross multiply
   2,340.52x = 3,510.06 × 880.36
4. Step 4: Simplify right side
   2,340.52x = 3,090,116.42
5. Step 5: Solve for x
   x = 3,090,116.42/2,340.52
6. Step 6: Final answer
   x = 1,320.27