Finding the Fourth Proportional to 12,086.81, 16,681.53 and 6,710.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.81 : 16,681.53 = 6,710.48 : x
2. Step 2: Convert to fraction form
   12,086.81/16,681.53 = 6,710.48/x
3. Step 3: Cross multiply
   12,086.81x = 16,681.53 × 6,710.48
4. Step 4: Simplify right side
   12,086.81x = 111,941,073.43
5. Step 5: Solve for x
   x = 111,941,073.43/12,086.81
6. Step 6: Final answer
   x = 9,261.42