Finding the Fourth Proportional to 22,047, 30,426.78 and 12,112.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047 : 30,426.78 = 12,112.92 : x
2. Step 2: Convert to fraction form
   22,047/30,426.78 = 12,112.92/x
3. Step 3: Cross multiply
   22,047x = 30,426.78 × 12,112.92
4. Step 4: Simplify right side
   22,047x = 368,557,152.00
5. Step 5: Solve for x
   x = 368,557,152.00/22,047
6. Step 6: Final answer
   x = 16,716.88