Finding the Fourth Proportional to 2,623.66, 3,936.86 and 1,162.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.66 : 3,936.86 = 1,162.47 : x
2. Step 2: Convert to fraction form
   2,623.66/3,936.86 = 1,162.47/x
3. Step 3: Cross multiply
   2,623.66x = 3,936.86 × 1,162.47
4. Step 4: Simplify right side
   2,623.66x = 4,576,470.91
5. Step 5: Solve for x
   x = 4,576,470.91/2,623.66
6. Step 6: Final answer
   x = 1,744.31