Finding the Fourth Proportional to 2,269.88, 3,132.06 and 1,338.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269.88 : 3,132.06 = 1,338.56 : x
2. Step 2: Convert to fraction form
   2,269.88/3,132.06 = 1,338.56/x
3. Step 3: Cross multiply
   2,269.88x = 3,132.06 × 1,338.56
4. Step 4: Simplify right side
   2,269.88x = 4,192,450.23
5. Step 5: Solve for x
   x = 4,192,450.23/2,269.88
6. Step 6: Final answer
   x = 1,846.99