Finding the Fourth Proportional to 22,606.50, 31,197.02 and 12,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,606.50 : 31,197.02 = 12,670.50 : x
2. Step 2: Convert to fraction form
   22,606.50/31,197.02 = 12,670.50/x
3. Step 3: Cross multiply
   22,606.50x = 31,197.02 × 12,670.50
4. Step 4: Simplify right side
   22,606.50x = 395,281,778.56
5. Step 5: Solve for x
   x = 395,281,778.56/22,606.50
6. Step 6: Final answer
   x = 17,485.32