Finding the Fourth Proportional to 2,326.41, 3,489.83 and 766.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.41 : 3,489.83 = 766.42 : x
2. Step 2: Convert to fraction form
   2,326.41/3,489.83 = 766.42/x
3. Step 3: Cross multiply
   2,326.41x = 3,489.83 × 766.42
4. Step 4: Simplify right side
   2,326.41x = 2,674,675.51
5. Step 5: Solve for x
   x = 2,674,675.51/2,326.41
6. Step 6: Final answer
   x = 1,149.70