Finding the Fourth Proportional to 11,817.59, 17,708.49 and 7,132.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,817.59 : 17,708.49 = 7,132.37 : x
2. Step 2: Convert to fraction form
   11,817.59/17,708.49 = 7,132.37/x
3. Step 3: Cross multiply
   11,817.59x = 17,708.49 × 7,132.37
4. Step 4: Simplify right side
   11,817.59x = 126,303,414.28
5. Step 5: Solve for x
   x = 126,303,414.28/11,817.59
6. Step 6: Final answer
   x = 10,687.75