Finding the Fourth Proportional to 11,499.77, 15,872.48 and 7,027.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.77 : 15,872.48 = 7,027.29 : x
2. Step 2: Convert to fraction form
   11,499.77/15,872.48 = 7,027.29/x
3. Step 3: Cross multiply
   11,499.77x = 15,872.48 × 7,027.29
4. Step 4: Simplify right side
   11,499.77x = 111,540,519.98
5. Step 5: Solve for x
   x = 111,540,519.98/11,499.77
6. Step 6: Final answer
   x = 9,699.37