Finding the Fourth Proportional to 3,174.72, 4,758.84 and 1,226.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,174.72 : 4,758.84 = 1,226.16 : x
2. Step 2: Convert to fraction form
   3,174.72/4,758.84 = 1,226.16/x
3. Step 3: Cross multiply
   3,174.72x = 4,758.84 × 1,226.16
4. Step 4: Simplify right side
   3,174.72x = 5,835,099.25
5. Step 5: Solve for x
   x = 5,835,099.25/3,174.72
6. Step 6: Final answer
   x = 1,837.99