Finding the Fourth Proportional to 12,062.69, 16,651.39 and 7,817.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,062.69 : 16,651.39 = 7,817.39 : x
2. Step 2: Convert to fraction form
   12,062.69/16,651.39 = 7,817.39/x
3. Step 3: Cross multiply
   12,062.69x = 16,651.39 × 7,817.39
4. Step 4: Simplify right side
   12,062.69x = 130,170,468.40
5. Step 5: Solve for x
   x = 130,170,468.40/12,062.69
6. Step 6: Final answer
   x = 10,791.17