Finding the Fourth Proportional to 2,907.94, 4,014.61 and 2,225.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.94 : 4,014.61 = 2,225.30 : x
2. Step 2: Convert to fraction form
   2,907.94/4,014.61 = 2,225.30/x
3. Step 3: Cross multiply
   2,907.94x = 4,014.61 × 2,225.30
4. Step 4: Simplify right side
   2,907.94x = 8,933,680.43
5. Step 5: Solve for x
   x = 8,933,680.43/2,907.94
6. Step 6: Final answer
   x = 3,072.17