Finding the Fourth Proportional to 2,446.56, 3,666.48 and 906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.56 : 3,666.48 = 906.72 : x
2. Step 2: Convert to fraction form
   2,446.56/3,666.48 = 906.72/x
3. Step 3: Cross multiply
   2,446.56x = 3,666.48 × 906.72
4. Step 4: Simplify right side
   2,446.56x = 3,324,470.75
5. Step 5: Solve for x
   x = 3,324,470.75/2,446.56
6. Step 6: Final answer
   x = 1,358.83