Finding the Fourth Proportional to 2,355.51, 3,535.02 and 876.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.51 : 3,535.02 = 876.09 : x
2. Step 2: Convert to fraction form
   2,355.51/3,535.02 = 876.09/x
3. Step 3: Cross multiply
   2,355.51x = 3,535.02 × 876.09
4. Step 4: Simplify right side
   2,355.51x = 3,096,995.67
5. Step 5: Solve for x
   x = 3,096,995.67/2,355.51
6. Step 6: Final answer
   x = 1,314.79