Finding the Fourth Proportional to 11,049.01, 16,560.34 and 7,699.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,049.01 : 16,560.34 = 7,699.12 : x
2. Step 2: Convert to fraction form
   11,049.01/16,560.34 = 7,699.12/x
3. Step 3: Cross multiply
   11,049.01x = 16,560.34 × 7,699.12
4. Step 4: Simplify right side
   11,049.01x = 127,500,005.91
5. Step 5: Solve for x
   x = 127,500,005.91/11,049.01
6. Step 6: Final answer
   x = 11,539.50