Finding the Fourth Proportional to 12,476.50, 17,217.59 and 6,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,476.50 : 17,217.59 = 6,887.50 : x
2. Step 2: Convert to fraction form
   12,476.50/17,217.59 = 6,887.50/x
3. Step 3: Cross multiply
   12,476.50x = 17,217.59 × 6,887.50
4. Step 4: Simplify right side
   12,476.50x = 118,586,116.69
5. Step 5: Solve for x
   x = 118,586,116.69/12,476.50
6. Step 6: Final answer
   x = 9,504.76