Finding the Fourth Proportional to 2,238.42, 3,358.80 and 1,069.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.42 : 3,358.80 = 1,069.74 : x
2. Step 2: Convert to fraction form
   2,238.42/3,358.80 = 1,069.74/x
3. Step 3: Cross multiply
   2,238.42x = 3,358.80 × 1,069.74
4. Step 4: Simplify right side
   2,238.42x = 3,593,042.71
5. Step 5: Solve for x
   x = 3,593,042.71/2,238.42
6. Step 6: Final answer
   x = 1,605.17