Finding the Fourth Proportional to 12,765.69, 17,617.55 and 7,461.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.69 : 17,617.55 = 7,461.09 : x
2. Step 2: Convert to fraction form
   12,765.69/17,617.55 = 7,461.09/x
3. Step 3: Cross multiply
   12,765.69x = 17,617.55 × 7,461.09
4. Step 4: Simplify right side
   12,765.69x = 131,446,088.82
5. Step 5: Solve for x
   x = 131,446,088.82/12,765.69
6. Step 6: Final answer
   x = 10,296.83