Finding the Fourth Proportional to 2,270.69, 3,133.58 and 1,386.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,270.69 : 3,133.58 = 1,386.37 : x
2. Step 2: Convert to fraction form
   2,270.69/3,133.58 = 1,386.37/x
3. Step 3: Cross multiply
   2,270.69x = 3,133.58 × 1,386.37
4. Step 4: Simplify right side
   2,270.69x = 4,344,301.30
5. Step 5: Solve for x
   x = 4,344,301.30/2,270.69
6. Step 6: Final answer
   x = 1,913.21