Finding the Fourth Proportional to 2,225.55, 3,069.76 and 1,340.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.55 : 3,069.76 = 1,340.43 : x
2. Step 2: Convert to fraction form
   2,225.55/3,069.76 = 1,340.43/x
3. Step 3: Cross multiply
   2,225.55x = 3,069.76 × 1,340.43
4. Step 4: Simplify right side
   2,225.55x = 4,114,798.40
5. Step 5: Solve for x
   x = 4,114,798.40/2,225.55
6. Step 6: Final answer
   x = 1,848.89