Finding the Fourth Proportional to 22,706.50, 31,337.58 and 13,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,706.50 : 31,337.58 = 13,274.50 : x
2. Step 2: Convert to fraction form
   22,706.50/31,337.58 = 13,274.50/x
3. Step 3: Cross multiply
   22,706.50x = 31,337.58 × 13,274.50
4. Step 4: Simplify right side
   22,706.50x = 415,990,705.71
5. Step 5: Solve for x
   x = 415,990,705.71/22,706.50
6. Step 6: Final answer
   x = 18,320.34