Finding the Fourth Proportional to 2,262.69, 3,122.43 and 1,318.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.69 : 3,122.43 = 1,318.52 : x
2. Step 2: Convert to fraction form
   2,262.69/3,122.43 = 1,318.52/x
3. Step 3: Cross multiply
   2,262.69x = 3,122.43 × 1,318.52
4. Step 4: Simplify right side
   2,262.69x = 4,116,970.79
5. Step 5: Solve for x
   x = 4,116,970.79/2,262.69
6. Step 6: Final answer
   x = 1,819.50