Finding the Fourth Proportional to 9,667.89, 14,504.13 and 6,887.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.89 : 14,504.13 = 6,887.70 : x
2. Step 2: Convert to fraction form
   9,667.89/14,504.13 = 6,887.70/x
3. Step 3: Cross multiply
   9,667.89x = 14,504.13 × 6,887.70
4. Step 4: Simplify right side
   9,667.89x = 99,900,096.20
5. Step 5: Solve for x
   x = 99,900,096.20/9,667.89
6. Step 6: Final answer
   x = 10,333.19