Finding the Fourth Proportional to 9,667.26, 14,505.78 and 4,476.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.26 : 14,505.78 = 4,476.78 : x
2. Step 2: Convert to fraction form
   9,667.26/14,505.78 = 4,476.78/x
3. Step 3: Cross multiply
   9,667.26x = 14,505.78 × 4,476.78
4. Step 4: Simplify right side
   9,667.26x = 64,939,185.79
5. Step 5: Solve for x
   x = 64,939,185.79/9,667.26
6. Step 6: Final answer
   x = 6,717.43