Finding the Fourth Proportional to 2,609.88, 3,916.32 and 967.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.88 : 3,916.32 = 967.56 : x
2. Step 2: Convert to fraction form
   2,609.88/3,916.32 = 967.56/x
3. Step 3: Cross multiply
   2,609.88x = 3,916.32 × 967.56
4. Step 4: Simplify right side
   2,609.88x = 3,789,274.58
5. Step 5: Solve for x
   x = 3,789,274.58/2,609.88
6. Step 6: Final answer
   x = 1,451.90