Finding the Fourth Proportional to 2,948.72, 4,423.84 and 1,306.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.72 : 4,423.84 = 1,306.56 : x
2. Step 2: Convert to fraction form
   2,948.72/4,423.84 = 1,306.56/x
3. Step 3: Cross multiply
   2,948.72x = 4,423.84 × 1,306.56
4. Step 4: Simplify right side
   2,948.72x = 5,780,012.39
5. Step 5: Solve for x
   x = 5,780,012.39/2,948.72
6. Step 6: Final answer
   x = 1,960.18