Finding the Fourth Proportional to 2,359.96, 3,540.90 and 1,189.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.96 : 3,540.90 = 1,189.33 : x
2. Step 2: Convert to fraction form
   2,359.96/3,540.90 = 1,189.33/x
3. Step 3: Cross multiply
   2,359.96x = 3,540.90 × 1,189.33
4. Step 4: Simplify right side
   2,359.96x = 4,211,294.20
5. Step 5: Solve for x
   x = 4,211,294.20/2,359.96
6. Step 6: Final answer
   x = 1,784.48