Finding the Fourth Proportional to 11,662.72, 17,499.24 and 6,114.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.72 : 17,499.24 = 6,114.74 : x
2. Step 2: Convert to fraction form
   11,662.72/17,499.24 = 6,114.74/x
3. Step 3: Cross multiply
   11,662.72x = 17,499.24 × 6,114.74
4. Step 4: Simplify right side
   11,662.72x = 107,003,302.80
5. Step 5: Solve for x
   x = 107,003,302.80/11,662.72
6. Step 6: Final answer
   x = 9,174.82