Finding the Fourth Proportional to 2,210.34, 3,314.76 and 749.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.34 : 3,314.76 = 749.10 : x
2. Step 2: Convert to fraction form
   2,210.34/3,314.76 = 749.10/x
3. Step 3: Cross multiply
   2,210.34x = 3,314.76 × 749.10
4. Step 4: Simplify right side
   2,210.34x = 2,483,086.72
5. Step 5: Solve for x
   x = 2,483,086.72/2,210.34
6. Step 6: Final answer
   x = 1,123.40