Finding the Fourth Proportional to 2,323.60, 3,485.00 and 763.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.60 : 3,485.00 = 763.56 : x
2. Step 2: Convert to fraction form
   2,323.60/3,485.00 = 763.56/x
3. Step 3: Cross multiply
   2,323.60x = 3,485.00 × 763.56
4. Step 4: Simplify right side
   2,323.60x = 2,660,994.07
5. Step 5: Solve for x
   x = 2,660,994.07/2,323.60
6. Step 6: Final answer
   x = 1,145.21