Finding the Fourth Proportional to 2,073.67, 2,861.73 and 1,189.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.67 : 2,861.73 = 1,189.75 : x
2. Step 2: Convert to fraction form
   2,073.67/2,861.73 = 1,189.75/x
3. Step 3: Cross multiply
   2,073.67x = 2,861.73 × 1,189.75
4. Step 4: Simplify right side
   2,073.67x = 3,404,743.27
5. Step 5: Solve for x
   x = 3,404,743.27/2,073.67
6. Step 6: Final answer
   x = 1,641.89