Finding the Fourth Proportional to 11,690.22, 17,535.69 and 5,113.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,690.22 : 17,535.69 = 5,113.02 : x
2. Step 2: Convert to fraction form
   11,690.22/17,535.69 = 5,113.02/x
3. Step 3: Cross multiply
   11,690.22x = 17,535.69 × 5,113.02
4. Step 4: Simplify right side
   11,690.22x = 89,660,333.68
5. Step 5: Solve for x
   x = 89,660,333.68/11,690.22
6. Step 6: Final answer
   x = 7,669.69