Finding the Fourth Proportional to 1,838.22, 2,760.98 and 1,145.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.22 : 2,760.98 = 1,145.27 : x
2. Step 2: Convert to fraction form
   1,838.22/2,760.98 = 1,145.27/x
3. Step 3: Cross multiply
   1,838.22x = 2,760.98 × 1,145.27
4. Step 4: Simplify right side
   1,838.22x = 3,162,048.03
5. Step 5: Solve for x
   x = 3,162,048.03/1,838.22
6. Step 6: Final answer
   x = 1,720.17