Finding the Fourth Proportional to 9,667.80, 13,336.82 and 6,309.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.80 : 13,336.82 = 6,309.06 : x
2. Step 2: Convert to fraction form
   9,667.80/13,336.82 = 6,309.06/x
3. Step 3: Cross multiply
   9,667.80x = 13,336.82 × 6,309.06
4. Step 4: Simplify right side
   9,667.80x = 84,142,875.20
5. Step 5: Solve for x
   x = 84,142,875.20/9,667.80
6. Step 6: Final answer
   x = 8,703.41