Finding the Fourth Proportional to 12,223.76, 16,856.27 and 10,875.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.76 : 16,856.27 = 10,875.12 : x
2. Step 2: Convert to fraction form
   12,223.76/16,856.27 = 10,875.12/x
3. Step 3: Cross multiply
   12,223.76x = 16,856.27 × 10,875.12
4. Step 4: Simplify right side
   12,223.76x = 183,313,959.00
5. Step 5: Solve for x
   x = 183,313,959.00/12,223.76
6. Step 6: Final answer
   x = 14,996.53