Finding the Fourth Proportional to 2,522.69, 3,784.67 and 879.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.69 : 3,784.67 = 879.25 : x
2. Step 2: Convert to fraction form
   2,522.69/3,784.67 = 879.25/x
3. Step 3: Cross multiply
   2,522.69x = 3,784.67 × 879.25
4. Step 4: Simplify right side
   2,522.69x = 3,327,666.70
5. Step 5: Solve for x
   x = 3,327,666.70/2,522.69
6. Step 6: Final answer
   x = 1,319.09