Finding the Fourth Proportional to 11,662.72, 17,501.34 and 5,089

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.72 : 17,501.34 = 5,089 : x
2. Step 2: Convert to fraction form
   11,662.72/17,501.34 = 5,089/x
3. Step 3: Cross multiply
   11,662.72x = 17,501.34 × 5,089
4. Step 4: Simplify right side
   11,662.72x = 89,064,319.26
5. Step 5: Solve for x
   x = 89,064,319.26/11,662.72
6. Step 6: Final answer
   x = 7,636.67