Finding the Fourth Proportional to 22,213.82, 30,653.89 and 12,140.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,213.82 : 30,653.89 = 12,140.32 : x
2. Step 2: Convert to fraction form
   22,213.82/30,653.89 = 12,140.32/x
3. Step 3: Cross multiply
   22,213.82x = 30,653.89 × 12,140.32
4. Step 4: Simplify right side
   22,213.82x = 372,148,033.84
5. Step 5: Solve for x
   x = 372,148,033.84/22,213.82
6. Step 6: Final answer
   x = 16,753.00