Finding the Fourth Proportional to 2,947.62, 4,421.41 and 756.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947.62 : 4,421.41 = 756.34 : x
2. Step 2: Convert to fraction form
   2,947.62/4,421.41 = 756.34/x
3. Step 3: Cross multiply
   2,947.62x = 4,421.41 × 756.34
4. Step 4: Simplify right side
   2,947.62x = 3,344,078.42
5. Step 5: Solve for x
   x = 3,344,078.42/2,947.62
6. Step 6: Final answer
   x = 1,134.50