Finding the Fourth Proportional to 11,862.24, 16,369.89 and 7,147.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,862.24 : 16,369.89 = 7,147.43 : x
2. Step 2: Convert to fraction form
   11,862.24/16,369.89 = 7,147.43/x
3. Step 3: Cross multiply
   11,862.24x = 16,369.89 × 7,147.43
4. Step 4: Simplify right side
   11,862.24x = 117,002,657.00
5. Step 5: Solve for x
   x = 117,002,657.00/11,862.24
6. Step 6: Final answer
   x = 9,863.45