Finding the Fourth Proportional to 2,189.53, 3,021.33 and 1,350.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.53 : 3,021.33 = 1,350.10 : x
2. Step 2: Convert to fraction form
   2,189.53/3,021.33 = 1,350.10/x
3. Step 3: Cross multiply
   2,189.53x = 3,021.33 × 1,350.10
4. Step 4: Simplify right side
   2,189.53x = 4,079,097.63
5. Step 5: Solve for x
   x = 4,079,097.63/2,189.53
6. Step 6: Final answer
   x = 1,863.00