Finding the Fourth Proportional to 2,443.86, 3,665.99 and 1,127.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.86 : 3,665.99 = 1,127.61 : x
2. Step 2: Convert to fraction form
   2,443.86/3,665.99 = 1,127.61/x
3. Step 3: Cross multiply
   2,443.86x = 3,665.99 × 1,127.61
4. Step 4: Simplify right side
   2,443.86x = 4,133,809.80
5. Step 5: Solve for x
   x = 4,133,809.80/2,443.86
6. Step 6: Final answer
   x = 1,691.51