Finding the Fourth Proportional to 11,805.61, 17,719.38 and 5,966.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,805.61 : 17,719.38 = 5,966.32 : x
2. Step 2: Convert to fraction form
   11,805.61/17,719.38 = 5,966.32/x
3. Step 3: Cross multiply
   11,805.61x = 17,719.38 × 5,966.32
4. Step 4: Simplify right side
   11,805.61x = 105,719,491.28
5. Step 5: Solve for x
   x = 105,719,491.28/11,805.61
6. Step 6: Final answer
   x = 8,955.02