Finding the Fourth Proportional to 2,959.60, 4,085.98 and 2,631.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,959.60 : 4,085.98 = 2,631.52 : x
2. Step 2: Convert to fraction form
   2,959.60/4,085.98 = 2,631.52/x
3. Step 3: Cross multiply
   2,959.60x = 4,085.98 × 2,631.52
4. Step 4: Simplify right side
   2,959.60x = 10,752,338.09
5. Step 5: Solve for x
   x = 10,752,338.09/2,959.60
6. Step 6: Final answer
   x = 3,633.04