Finding the Fourth Proportional to 2,322.40, 3,483.69 and 762.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.40 : 3,483.69 = 762.61 : x
2. Step 2: Convert to fraction form
   2,322.40/3,483.69 = 762.61/x
3. Step 3: Cross multiply
   2,322.40x = 3,483.69 × 762.61
4. Step 4: Simplify right side
   2,322.40x = 2,656,696.83
5. Step 5: Solve for x
   x = 2,656,696.83/2,322.40
6. Step 6: Final answer
   x = 1,143.94