Finding the Fourth Proportional to 22,803.50, 31,468.83 and 12,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,803.50 : 31,468.83 = 12,867.50 : x
2. Step 2: Convert to fraction form
   22,803.50/31,468.83 = 12,867.50/x
3. Step 3: Cross multiply
   22,803.50x = 31,468.83 × 12,867.50
4. Step 4: Simplify right side
   22,803.50x = 404,925,170.03
5. Step 5: Solve for x
   x = 404,925,170.03/22,803.50
6. Step 6: Final answer
   x = 17,757.15