Finding the Fourth Proportional to 16,235.10, 22,404.51 and 8,783.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,235.10 : 22,404.51 = 8,783.10 : x
2. Step 2: Convert to fraction form
   16,235.10/22,404.51 = 8,783.10/x
3. Step 3: Cross multiply
   16,235.10x = 22,404.51 × 8,783.10
4. Step 4: Simplify right side
   16,235.10x = 196,781,051.78
5. Step 5: Solve for x
   x = 196,781,051.78/16,235.10
6. Step 6: Final answer
   x = 12,120.72