Finding the Fourth Proportional to 2,522.43, 3,784.05 and 878.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.43 : 3,784.05 = 878.94 : x
2. Step 2: Convert to fraction form
   2,522.43/3,784.05 = 878.94/x
3. Step 3: Cross multiply
   2,522.43x = 3,784.05 × 878.94
4. Step 4: Simplify right side
   2,522.43x = 3,325,952.91
5. Step 5: Solve for x
   x = 3,325,952.91/2,522.43
6. Step 6: Final answer
   x = 1,318.55