Finding the Fourth Proportional to 16,236.59, 22,406.45 and 8,784.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,236.59 : 22,406.45 = 8,784.59 : x
2. Step 2: Convert to fraction form
   16,236.59/22,406.45 = 8,784.59/x
3. Step 3: Cross multiply
   16,236.59x = 22,406.45 × 8,784.59
4. Step 4: Simplify right side
   16,236.59x = 196,831,320.65
5. Step 5: Solve for x
   x = 196,831,320.65/16,236.59
6. Step 6: Final answer
   x = 12,122.70