Finding the Fourth Proportional to 22,692.69, 31,315.74 and 12,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,692.69 : 31,315.74 = 12,483.50 : x
2. Step 2: Convert to fraction form
   22,692.69/31,315.74 = 12,483.50/x
3. Step 3: Cross multiply
   22,692.69x = 31,315.74 × 12,483.50
4. Step 4: Simplify right side
   22,692.69x = 390,930,157.72
5. Step 5: Solve for x
   x = 390,930,157.72/22,692.69
6. Step 6: Final answer
   x = 17,227.14