Finding the Fourth Proportional to 3,993.26, 5,510.86 and 2,225.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,993.26 : 5,510.86 = 2,225.30 : x
2. Step 2: Convert to fraction form
   3,993.26/5,510.86 = 2,225.30/x
3. Step 3: Cross multiply
   3,993.26x = 5,510.86 × 2,225.30
4. Step 4: Simplify right side
   3,993.26x = 12,263,316.76
5. Step 5: Solve for x
   x = 12,263,316.76/3,993.26
6. Step 6: Final answer
   x = 3,071.00