Finding the Fourth Proportional to 16,755.59, 23,122.73 and 9,200.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,755.59 : 23,122.73 = 9,200.72 : x
2. Step 2: Convert to fraction form
   16,755.59/23,122.73 = 9,200.72/x
3. Step 3: Cross multiply
   16,755.59x = 23,122.73 × 9,200.72
4. Step 4: Simplify right side
   16,755.59x = 212,745,671.75
5. Step 5: Solve for x
   x = 212,745,671.75/16,755.59
6. Step 6: Final answer
   x = 12,697.00