Finding the Fourth Proportional to 11,894.30, 16,406.69 and 7,650.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,894.30 : 16,406.69 = 7,650.89 : x
2. Step 2: Convert to fraction form
   11,894.30/16,406.69 = 7,650.89/x
3. Step 3: Cross multiply
   11,894.30x = 16,406.69 × 7,650.89
4. Step 4: Simplify right side
   11,894.30x = 125,525,717.55
5. Step 5: Solve for x
   x = 125,525,717.55/11,894.30
6. Step 6: Final answer
   x = 10,553.44