Finding the Fourth Proportional to 2,955.72, 4,433.50 and 764.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,955.72 : 4,433.50 = 764.37 : x
2. Step 2: Convert to fraction form
   2,955.72/4,433.50 = 764.37/x
3. Step 3: Cross multiply
   2,955.72x = 4,433.50 × 764.37
4. Step 4: Simplify right side
   2,955.72x = 3,388,835.35
5. Step 5: Solve for x
   x = 3,388,835.35/2,955.72
6. Step 6: Final answer
   x = 1,146.53