Finding the Fourth Proportional to 2,623.91, 3,937.23 and 1,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.91 : 3,937.23 = 1,162.72 : x
2. Step 2: Convert to fraction form
   2,623.91/3,937.23 = 1,162.72/x
3. Step 3: Cross multiply
   2,623.91x = 3,937.23 × 1,162.72
4. Step 4: Simplify right side
   2,623.91x = 4,577,896.07
5. Step 5: Solve for x
   x = 4,577,896.07/2,623.91
6. Step 6: Final answer
   x = 1,744.68