Finding the Fourth Proportional to 2,320.25, 3,480.50 and 760.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.25 : 3,480.50 = 760.12 : x
2. Step 2: Convert to fraction form
   2,320.25/3,480.50 = 760.12/x
3. Step 3: Cross multiply
   2,320.25x = 3,480.50 × 760.12
4. Step 4: Simplify right side
   2,320.25x = 2,645,585.16
5. Step 5: Solve for x
   x = 2,645,585.16/2,320.25
6. Step 6: Final answer
   x = 1,140.21