Finding the Fourth Proportional to 2,259.42, 3,390.76 and 1,394.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.42 : 3,390.76 = 1,394.34 : x
2. Step 2: Convert to fraction form
   2,259.42/3,390.76 = 1,394.34/x
3. Step 3: Cross multiply
   2,259.42x = 3,390.76 × 1,394.34
4. Step 4: Simplify right side
   2,259.42x = 4,727,872.30
5. Step 5: Solve for x
   x = 4,727,872.30/2,259.42
6. Step 6: Final answer
   x = 2,092.52