Finding the Fourth Proportional to 2,472.56, 3,709.56 and 913.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,472.56 : 3,709.56 = 913.04 : x
2. Step 2: Convert to fraction form
   2,472.56/3,709.56 = 913.04/x
3. Step 3: Cross multiply
   2,472.56x = 3,709.56 × 913.04
4. Step 4: Simplify right side
   2,472.56x = 3,386,976.66
5. Step 5: Solve for x
   x = 3,386,976.66/2,472.56
6. Step 6: Final answer
   x = 1,369.83