Finding the Fourth Proportional to 2,443.38, 3,666.69 and 1,126.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.38 : 3,666.69 = 1,126.32 : x
2. Step 2: Convert to fraction form
   2,443.38/3,666.69 = 1,126.32/x
3. Step 3: Cross multiply
   2,443.38x = 3,666.69 × 1,126.32
4. Step 4: Simplify right side
   2,443.38x = 4,129,866.28
5. Step 5: Solve for x
   x = 4,129,866.28/2,443.38
6. Step 6: Final answer
   x = 1,690.23