Finding the Fourth Proportional to 16,558.42, 22,850.89 and 9,004.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,558.42 : 22,850.89 = 9,004.90 : x
2. Step 2: Convert to fraction form
   16,558.42/22,850.89 = 9,004.90/x
3. Step 3: Cross multiply
   16,558.42x = 22,850.89 × 9,004.90
4. Step 4: Simplify right side
   16,558.42x = 205,769,899.72
5. Step 5: Solve for x
   x = 205,769,899.72/16,558.42
6. Step 6: Final answer
   x = 12,426.91