Finding the Fourth Proportional to 11,690.04, 17,540.96 and 5,116.26

Step by Step Solution

1. Step 1: Write the proportion equation
   11,690.04 : 17,540.96 = 5,116.26 : x
2. Step 2: Convert to fraction form
   11,690.04/17,540.96 = 5,116.26/x
3. Step 3: Cross multiply
   11,690.04x = 17,540.96 × 5,116.26
4. Step 4: Simplify right side
   11,690.04x = 89,744,112.01
5. Step 5: Solve for x
   x = 89,744,112.01/11,690.04
6. Step 6: Final answer
   x = 7,676.97