Finding the Fourth Proportional to 2,225.30, 3,069.41 and 1,340.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.30 : 3,069.41 = 1,340.15 : x
2. Step 2: Convert to fraction form
   2,225.30/3,069.41 = 1,340.15/x
3. Step 3: Cross multiply
   2,225.30x = 3,069.41 × 1,340.15
4. Step 4: Simplify right side
   2,225.30x = 4,113,447.76
5. Step 5: Solve for x
   x = 4,113,447.76/2,225.30
6. Step 6: Final answer
   x = 1,848.50