Finding the Fourth Proportional to 2,634.52, 3,951.86 and 879.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,634.52 : 3,951.86 = 879.46 : x
2. Step 2: Convert to fraction form
   2,634.52/3,951.86 = 879.46/x
3. Step 3: Cross multiply
   2,634.52x = 3,951.86 × 879.46
4. Step 4: Simplify right side
   2,634.52x = 3,475,515.86
5. Step 5: Solve for x
   x = 3,475,515.86/2,634.52
6. Step 6: Final answer
   x = 1,319.22