Finding the Fourth Proportional to 22,272.57, 30,734.83 and 12,199

Step by Step Solution

1. Step 1: Write the proportion equation
   22,272.57 : 30,734.83 = 12,199 : x
2. Step 2: Convert to fraction form
   22,272.57/30,734.83 = 12,199/x
3. Step 3: Cross multiply
   22,272.57x = 30,734.83 × 12,199
4. Step 4: Simplify right side
   22,272.57x = 374,934,191.17
5. Step 5: Solve for x
   x = 374,934,191.17/22,272.57
6. Step 6: Final answer
   x = 16,833.90