Finding the Fourth Proportional to 2,320.99, 3,481.89 and 760.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.99 : 3,481.89 = 760.55 : x
2. Step 2: Convert to fraction form
   2,320.99/3,481.89 = 760.55/x
3. Step 3: Cross multiply
   2,320.99x = 3,481.89 × 760.55
4. Step 4: Simplify right side
   2,320.99x = 2,648,155.66
5. Step 5: Solve for x
   x = 2,648,155.66/2,320.99
6. Step 6: Final answer
   x = 1,140.96