Finding the Fourth Proportional to 12,243.92, 16,893.72 and 8,705.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243.92 : 16,893.72 = 8,705.84 : x
2. Step 2: Convert to fraction form
   12,243.92/16,893.72 = 8,705.84/x
3. Step 3: Cross multiply
   12,243.92x = 16,893.72 × 8,705.84
4. Step 4: Simplify right side
   12,243.92x = 147,074,023.32
5. Step 5: Solve for x
   x = 147,074,023.32/12,243.92
6. Step 6: Final answer
   x = 12,012.00