Finding the Fourth Proportional to 2,134.43, 2,945.22 and 1,190.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134.43 : 2,945.22 = 1,190.11 : x
2. Step 2: Convert to fraction form
   2,134.43/2,945.22 = 1,190.11/x
3. Step 3: Cross multiply
   2,134.43x = 2,945.22 × 1,190.11
4. Step 4: Simplify right side
   2,134.43x = 3,505,115.10
5. Step 5: Solve for x
   x = 3,505,115.10/2,134.43
6. Step 6: Final answer
   x = 1,642.18