Finding the Fourth Proportional to 2,959.50, 4,440.12 and 879.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.50 : 4,440.12 = 879.52 : x
2. Step 2: Convert to fraction form
   2,959.50/4,440.12 = 879.52/x
3. Step 3: Cross multiply
   2,959.50x = 4,440.12 × 879.52
4. Step 4: Simplify right side
   2,959.50x = 3,905,174.34
5. Step 5: Solve for x
   x = 3,905,174.34/2,959.50
6. Step 6: Final answer
   x = 1,319.54