Finding the Fourth Proportional to 11,955.38, 16,499.34 and 6,650.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,955.38 : 16,499.34 = 6,650.59 : x
2. Step 2: Convert to fraction form
   11,955.38/16,499.34 = 6,650.59/x
3. Step 3: Cross multiply
   11,955.38x = 16,499.34 × 6,650.59
4. Step 4: Simplify right side
   11,955.38x = 109,730,345.61
5. Step 5: Solve for x
   x = 109,730,345.61/11,955.38
6. Step 6: Final answer
   x = 9,178.32