Finding the Fourth Proportional to 2,323.50, 3,485.42 and 763.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.50 : 3,485.42 = 763.10 : x
2. Step 2: Convert to fraction form
   2,323.50/3,485.42 = 763.10/x
3. Step 3: Cross multiply
   2,323.50x = 3,485.42 × 763.10
4. Step 4: Simplify right side
   2,323.50x = 2,659,724.00
5. Step 5: Solve for x
   x = 2,659,724.00/2,323.50
6. Step 6: Final answer
   x = 1,144.71