Finding the Fourth Proportional to 2,522.88, 3,784.38 and 879.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.88 : 3,784.38 = 879.54 : x
2. Step 2: Convert to fraction form
   2,522.88/3,784.38 = 879.54/x
3. Step 3: Cross multiply
   2,522.88x = 3,784.38 × 879.54
4. Step 4: Simplify right side
   2,522.88x = 3,328,513.59
5. Step 5: Solve for x
   x = 3,328,513.59/2,522.88
6. Step 6: Final answer
   x = 1,319.33