Finding the Fourth Proportional to 22,253.61, 30,709 and 12,182.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,253.61 : 30,709 = 12,182.48 : x
2. Step 2: Convert to fraction form
   22,253.61/30,709 = 12,182.48/x
3. Step 3: Cross multiply
   22,253.61x = 30,709 × 12,182.48
4. Step 4: Simplify right side
   22,253.61x = 374,111,778.32
5. Step 5: Solve for x
   x = 374,111,778.32/22,253.61
6. Step 6: Final answer
   x = 16,811.28