Finding the Fourth Proportional to 2,210.16, 3,314.40 and 910.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.16 : 3,314.40 = 910.88 : x
2. Step 2: Convert to fraction form
   2,210.16/3,314.40 = 910.88/x
3. Step 3: Cross multiply
   2,210.16x = 3,314.40 × 910.88
4. Step 4: Simplify right side
   2,210.16x = 3,019,020.67
5. Step 5: Solve for x
   x = 3,019,020.67/2,210.16
6. Step 6: Final answer
   x = 1,365.97