Finding the Fourth Proportional to 2,126.79, 3,189.24 and 1,151.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.79 : 3,189.24 = 1,151.82 : x
2. Step 2: Convert to fraction form
   2,126.79/3,189.24 = 1,151.82/x
3. Step 3: Cross multiply
   2,126.79x = 3,189.24 × 1,151.82
4. Step 4: Simplify right side
   2,126.79x = 3,673,430.42
5. Step 5: Solve for x
   x = 3,673,430.42/2,126.79
6. Step 6: Final answer
   x = 1,727.22