Finding the Fourth Proportional to 2,206.02, 3,307.34 and 744.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,206.02 : 3,307.34 = 744.78 : x
2. Step 2: Convert to fraction form
   2,206.02/3,307.34 = 744.78/x
3. Step 3: Cross multiply
   2,206.02x = 3,307.34 × 744.78
4. Step 4: Simplify right side
   2,206.02x = 2,463,240.69
5. Step 5: Solve for x
   x = 2,463,240.69/2,206.02
6. Step 6: Final answer
   x = 1,116.60