Finding the Fourth Proportional to 11,932.65, 16,468.79 and 7,682.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,932.65 : 16,468.79 = 7,682.31 : x
2. Step 2: Convert to fraction form
   11,932.65/16,468.79 = 7,682.31/x
3. Step 3: Cross multiply
   11,932.65x = 16,468.79 × 7,682.31
4. Step 4: Simplify right side
   11,932.65x = 126,518,311.69
5. Step 5: Solve for x
   x = 126,518,311.69/11,932.65
6. Step 6: Final answer
   x = 10,602.70