Finding the Fourth Proportional to 12,406.61, 17,114.69 and 7,682.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,406.61 : 17,114.69 = 7,682.69 : x
2. Step 2: Convert to fraction form
   12,406.61/17,114.69 = 7,682.69/x
3. Step 3: Cross multiply
   12,406.61x = 17,114.69 × 7,682.69
4. Step 4: Simplify right side
   12,406.61x = 131,486,772.14
5. Step 5: Solve for x
   x = 131,486,772.14/12,406.61
6. Step 6: Final answer
   x = 10,598.13