Finding the Fourth Proportional to 2,522.32, 3,784.57 and 877.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.32 : 3,784.57 = 877.97 : x
2. Step 2: Convert to fraction form
   2,522.32/3,784.57 = 877.97/x
3. Step 3: Cross multiply
   2,522.32x = 3,784.57 × 877.97
4. Step 4: Simplify right side
   2,522.32x = 3,322,738.92
5. Step 5: Solve for x
   x = 3,322,738.92/2,522.32
6. Step 6: Final answer
   x = 1,317.33