Finding the Fourth Proportional to 6,111.81, 9,168.53 and 1,729.17

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.81 : 9,168.53 = 1,729.17 : x
2. Step 2: Convert to fraction form
   6,111.81/9,168.53 = 1,729.17/x
3. Step 3: Cross multiply
   6,111.81x = 9,168.53 × 1,729.17
4. Step 4: Simplify right side
   6,111.81x = 15,853,938.37
5. Step 5: Solve for x
   x = 15,853,938.37/6,111.81
6. Step 6: Final answer
   x = 2,593.98