Finding the Fourth Proportional to 11,699.01, 17,554.59 and 5,457.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,699.01 : 17,554.59 = 5,457.24 : x
2. Step 2: Convert to fraction form
   11,699.01/17,554.59 = 5,457.24/x
3. Step 3: Cross multiply
   11,699.01x = 17,554.59 × 5,457.24
4. Step 4: Simplify right side
   11,699.01x = 95,799,610.73
5. Step 5: Solve for x
   x = 95,799,610.73/11,699.01
6. Step 6: Final answer
   x = 8,188.69