Finding the Fourth Proportional to 22,271.90, 30,734.12 and 12,200.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.90 : 30,734.12 = 12,200.37 : x
2. Step 2: Convert to fraction form
   22,271.90/30,734.12 = 12,200.37/x
3. Step 3: Cross multiply
   22,271.90x = 30,734.12 × 12,200.37
4. Step 4: Simplify right side
   22,271.90x = 374,967,574.62
5. Step 5: Solve for x
   x = 374,967,574.62/22,271.90
6. Step 6: Final answer
   x = 16,835.91