Finding the Fourth Proportional to 22,271.30, 30,733.30 and 12,199.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,271.30 : 30,733.30 = 12,199.80 : x
2. Step 2: Convert to fraction form
   22,271.30/30,733.30 = 12,199.80/x
3. Step 3: Cross multiply
   22,271.30x = 30,733.30 × 12,199.80
4. Step 4: Simplify right side
   22,271.30x = 374,940,113.34
5. Step 5: Solve for x
   x = 374,940,113.34/22,271.30
6. Step 6: Final answer
   x = 16,835.12