Finding the Fourth Proportional to 2,211.34, 3,314.93 and 749.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,211.34 : 3,314.93 = 749.47 : x
2. Step 2: Convert to fraction form
   2,211.34/3,314.93 = 749.47/x
3. Step 3: Cross multiply
   2,211.34x = 3,314.93 × 749.47
4. Step 4: Simplify right side
   2,211.34x = 2,484,440.59
5. Step 5: Solve for x
   x = 2,484,440.59/2,211.34
6. Step 6: Final answer
   x = 1,123.50