Finding the Fourth Proportional to 2,961.60, 4,443.16 and 1,013.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.60 : 4,443.16 = 1,013.82 : x
2. Step 2: Convert to fraction form
   2,961.60/4,443.16 = 1,013.82/x
3. Step 3: Cross multiply
   2,961.60x = 4,443.16 × 1,013.82
4. Step 4: Simplify right side
   2,961.60x = 4,504,564.47
5. Step 5: Solve for x
   x = 4,504,564.47/2,961.60
6. Step 6: Final answer
   x = 1,520.99