Finding the Fourth Proportional to 22,322.64, 30,804.04 and 12,386

Step by Step Solution

1. Step 1: Write the proportion equation
   22,322.64 : 30,804.04 = 12,386 : x
2. Step 2: Convert to fraction form
   22,322.64/30,804.04 = 12,386/x
3. Step 3: Cross multiply
   22,322.64x = 30,804.04 × 12,386
4. Step 4: Simplify right side
   22,322.64x = 381,538,839.44
5. Step 5: Solve for x
   x = 381,538,839.44/22,322.64
6. Step 6: Final answer
   x = 17,092.01