Finding the Fourth Proportional to 2,210.42, 3,315.35 and 1,114.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.42 : 3,315.35 = 1,114.31 : x
2. Step 2: Convert to fraction form
   2,210.42/3,315.35 = 1,114.31/x
3. Step 3: Cross multiply
   2,210.42x = 3,315.35 × 1,114.31
4. Step 4: Simplify right side
   2,210.42x = 3,694,338.73
5. Step 5: Solve for x
   x = 3,694,338.73/2,210.42
6. Step 6: Final answer
   x = 1,671.33