Finding the Fourth Proportional to 3,926.54, 5,417.69 and 2,225.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,926.54 : 5,417.69 = 2,225.09 : x
2. Step 2: Convert to fraction form
   3,926.54/5,417.69 = 2,225.09/x
3. Step 3: Cross multiply
   3,926.54x = 5,417.69 × 2,225.09
4. Step 4: Simplify right side
   3,926.54x = 12,054,850.26
5. Step 5: Solve for x
   x = 12,054,850.26/3,926.54
6. Step 6: Final answer
   x = 3,070.09