Finding the Fourth Proportional to 2,955.43, 4,432.94 and 764.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,955.43 : 4,432.94 = 764.08 : x
2. Step 2: Convert to fraction form
   2,955.43/4,432.94 = 764.08/x
3. Step 3: Cross multiply
   2,955.43x = 4,432.94 × 764.08
4. Step 4: Simplify right side
   2,955.43x = 3,387,105.89
5. Step 5: Solve for x
   x = 3,387,105.89/2,955.43
6. Step 6: Final answer
   x = 1,146.06