Finding the Fourth Proportional to 22,903.50, 31,606.83 and 12,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,903.50 : 31,606.83 = 12,967.50 : x
2. Step 2: Convert to fraction form
   22,903.50/31,606.83 = 12,967.50/x
3. Step 3: Cross multiply
   22,903.50x = 31,606.83 × 12,967.50
4. Step 4: Simplify right side
   22,903.50x = 409,861,568.03
5. Step 5: Solve for x
   x = 409,861,568.03/22,903.50
6. Step 6: Final answer
   x = 17,895.15