Finding the Fourth Proportional to 11,639.88, 16,058.52 and 7,662.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,639.88 : 16,058.52 = 7,662.96 : x
2. Step 2: Convert to fraction form
   11,639.88/16,058.52 = 7,662.96/x
3. Step 3: Cross multiply
   11,639.88x = 16,058.52 × 7,662.96
4. Step 4: Simplify right side
   11,639.88x = 123,055,796.42
5. Step 5: Solve for x
   x = 123,055,796.42/11,639.88
6. Step 6: Final answer
   x = 10,571.91