Finding the Fourth Proportional to 2,521.33, 3,783.11 and 879.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.33 : 3,783.11 = 879.06 : x
2. Step 2: Convert to fraction form
   2,521.33/3,783.11 = 879.06/x
3. Step 3: Cross multiply
   2,521.33x = 3,783.11 × 879.06
4. Step 4: Simplify right side
   2,521.33x = 3,325,568.69
5. Step 5: Solve for x
   x = 3,325,568.69/2,521.33
6. Step 6: Final answer
   x = 1,318.97