Finding the Fourth Proportional to 2,216.56, 3,050.76 and 1,626.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,216.56 : 3,050.76 = 1,626.16 : x
2. Step 2: Convert to fraction form
   2,216.56/3,050.76 = 1,626.16/x
3. Step 3: Cross multiply
   2,216.56x = 3,050.76 × 1,626.16
4. Step 4: Simplify right side
   2,216.56x = 4,961,023.88
5. Step 5: Solve for x
   x = 4,961,023.88/2,216.56
6. Step 6: Final answer
   x = 2,238.16