Finding the Fourth Proportional to 22,210.03, 30,648.98 and 12,138.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,210.03 : 30,648.98 = 12,138.83 : x
2. Step 2: Convert to fraction form
   22,210.03/30,648.98 = 12,138.83/x
3. Step 3: Cross multiply
   22,210.03x = 30,648.98 × 12,138.83
4. Step 4: Simplify right side
   22,210.03x = 372,042,749.93
5. Step 5: Solve for x
   x = 372,042,749.93/22,210.03
6. Step 6: Final answer
   x = 16,751.11