Finding the Fourth Proportional to 11,104.44, 16,626.42 and 7,812.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,104.44 : 16,626.42 = 7,812.60 : x
2. Step 2: Convert to fraction form
   11,104.44/16,626.42 = 7,812.60/x
3. Step 3: Cross multiply
   11,104.44x = 16,626.42 × 7,812.60
4. Step 4: Simplify right side
   11,104.44x = 129,895,568.89
5. Step 5: Solve for x
   x = 129,895,568.89/11,104.44
6. Step 6: Final answer
   x = 11,697.62