Finding the Fourth Proportional to 2,950.72, 4,425.60 and 976.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,950.72 : 4,425.60 = 976.34 : x
2. Step 2: Convert to fraction form
   2,950.72/4,425.60 = 976.34/x
3. Step 3: Cross multiply
   2,950.72x = 4,425.60 × 976.34
4. Step 4: Simplify right side
   2,950.72x = 4,320,890.30
5. Step 5: Solve for x
   x = 4,320,890.30/2,950.72
6. Step 6: Final answer
   x = 1,464.35