Finding the Fourth Proportional to 2,523.24, 3,784.59 and 879.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.24 : 3,784.59 = 879.75 : x
2. Step 2: Convert to fraction form
   2,523.24/3,784.59 = 879.75/x
3. Step 3: Cross multiply
   2,523.24x = 3,784.59 × 879.75
4. Step 4: Simplify right side
   2,523.24x = 3,329,493.05
5. Step 5: Solve for x
   x = 3,329,493.05/2,523.24
6. Step 6: Final answer
   x = 1,319.53