Finding the Fourth Proportional to 2,150.19, 3,223.98 and 1,053.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.19 : 3,223.98 = 1,053.18 : x
2. Step 2: Convert to fraction form
   2,150.19/3,223.98 = 1,053.18/x
3. Step 3: Cross multiply
   2,150.19x = 3,223.98 × 1,053.18
4. Step 4: Simplify right side
   2,150.19x = 3,395,431.26
5. Step 5: Solve for x
   x = 3,395,431.26/2,150.19
6. Step 6: Final answer
   x = 1,579.13