Finding the Fourth Proportional to 2,522.72, 3,783.84 and 878.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.72 : 3,783.84 = 878.96 : x
2. Step 2: Convert to fraction form
   2,522.72/3,783.84 = 878.96/x
3. Step 3: Cross multiply
   2,522.72x = 3,783.84 × 878.96
4. Step 4: Simplify right side
   2,522.72x = 3,325,844.01
5. Step 5: Solve for x
   x = 3,325,844.01/2,522.72
6. Step 6: Final answer
   x = 1,318.36