Finding the Fourth Proportional to 22,121.32, 30,526.82 and 12,185.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,121.32 : 30,526.82 = 12,185.32 : x
2. Step 2: Convert to fraction form
   22,121.32/30,526.82 = 12,185.32/x
3. Step 3: Cross multiply
   22,121.32x = 30,526.82 × 12,185.32
4. Step 4: Simplify right side
   22,121.32x = 371,979,070.28
5. Step 5: Solve for x
   x = 371,979,070.28/22,121.32
6. Step 6: Final answer
   x = 16,815.41