Finding the Fourth Proportional to 12,448.71, 17,179.00 and 6,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,448.71 : 17,179.00 = 6,783.50 : x
2. Step 2: Convert to fraction form
   12,448.71/17,179.00 = 6,783.50/x
3. Step 3: Cross multiply
   12,448.71x = 17,179.00 × 6,783.50
4. Step 4: Simplify right side
   12,448.71x = 116,533,626.69
5. Step 5: Solve for x
   x = 116,533,626.69/12,448.71
6. Step 6: Final answer
   x = 9,361.10