Finding the Fourth Proportional to 11,401.93, 17,046.69 and 9,666.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.93 : 17,046.69 = 9,666.30 : x
2. Step 2: Convert to fraction form
   11,401.93/17,046.69 = 9,666.30/x
3. Step 3: Cross multiply
   11,401.93x = 17,046.69 × 9,666.30
4. Step 4: Simplify right side
   11,401.93x = 164,778,447.22
5. Step 5: Solve for x
   x = 164,778,447.22/11,401.93
6. Step 6: Final answer
   x = 14,451.80