Finding the Fourth Proportional to 2,150.22, 3,224.28 and 1,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.22 : 3,224.28 = 1,110.72 : x
2. Step 2: Convert to fraction form
   2,150.22/3,224.28 = 1,110.72/x
3. Step 3: Cross multiply
   2,150.22x = 3,224.28 × 1,110.72
4. Step 4: Simplify right side
   2,150.22x = 3,581,272.28
5. Step 5: Solve for x
   x = 3,581,272.28/2,150.22
6. Step 6: Final answer
   x = 1,665.54