Finding the Fourth Proportional to 2,522.28, 3,783.82 and 879.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.28 : 3,783.82 = 879.06 : x
2. Step 2: Convert to fraction form
   2,522.28/3,783.82 = 879.06/x
3. Step 3: Cross multiply
   2,522.28x = 3,783.82 × 879.06
4. Step 4: Simplify right side
   2,522.28x = 3,326,204.81
5. Step 5: Solve for x
   x = 3,326,204.81/2,522.28
6. Step 6: Final answer
   x = 1,318.73