Finding the Fourth Proportional to 12,610.16, 17,399.40 and 7,305.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.16 : 17,399.40 = 7,305.68 : x
2. Step 2: Convert to fraction form
   12,610.16/17,399.40 = 7,305.68/x
3. Step 3: Cross multiply
   12,610.16x = 17,399.40 × 7,305.68
4. Step 4: Simplify right side
   12,610.16x = 127,114,448.59
5. Step 5: Solve for x
   x = 127,114,448.59/12,610.16
6. Step 6: Final answer
   x = 10,080.32