Finding the Fourth Proportional to 16,293.94, 22,485.27 and 9,123.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,293.94 : 22,485.27 = 9,123.40 : x
2. Step 2: Convert to fraction form
   16,293.94/22,485.27 = 9,123.40/x
3. Step 3: Cross multiply
   16,293.94x = 22,485.27 × 9,123.40
4. Step 4: Simplify right side
   16,293.94x = 205,142,112.32
5. Step 5: Solve for x
   x = 205,142,112.32/16,293.94
6. Step 6: Final answer
   x = 12,590.09