Finding the Fourth Proportional to 11,662.42, 17,465.78 and 6,389.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.42 : 17,465.78 = 6,389.52 : x
2. Step 2: Convert to fraction form
   11,662.42/17,465.78 = 6,389.52/x
3. Step 3: Cross multiply
   11,662.42x = 17,465.78 × 6,389.52
4. Step 4: Simplify right side
   11,662.42x = 111,597,950.63
5. Step 5: Solve for x
   x = 111,597,950.63/11,662.42
6. Step 6: Final answer
   x = 9,569.02