Finding the Fourth Proportional to 10,667.98, 14,723.99 and 6,686.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.98 : 14,723.99 = 6,686.22 : x
2. Step 2: Convert to fraction form
   10,667.98/14,723.99 = 6,686.22/x
3. Step 3: Cross multiply
   10,667.98x = 14,723.99 × 6,686.22
4. Step 4: Simplify right side
   10,667.98x = 98,447,836.42
5. Step 5: Solve for x
   x = 98,447,836.42/10,667.98
6. Step 6: Final answer
   x = 9,228.35