Finding the Fourth Proportional to 2,210.36, 3,315.33 and 749.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.36 : 3,315.33 = 749.34 : x
2. Step 2: Convert to fraction form
   2,210.36/3,315.33 = 749.34/x
3. Step 3: Cross multiply
   2,210.36x = 3,315.33 × 749.34
4. Step 4: Simplify right side
   2,210.36x = 2,484,309.38
5. Step 5: Solve for x
   x = 2,484,309.38/2,210.36
6. Step 6: Final answer
   x = 1,123.94