Finding the Fourth Proportional to 2,523.86, 3,786.24 and 879.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.86 : 3,786.24 = 879.92 : x
2. Step 2: Convert to fraction form
   2,523.86/3,786.24 = 879.92/x
3. Step 3: Cross multiply
   2,523.86x = 3,786.24 × 879.92
4. Step 4: Simplify right side
   2,523.86x = 3,331,588.30
5. Step 5: Solve for x
   x = 3,331,588.30/2,523.86
6. Step 6: Final answer
   x = 1,320.04