Finding the Fourth Proportional to 16,755.89, 23,123.40 and 9,099.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,755.89 : 23,123.40 = 9,099.17 : x
2. Step 2: Convert to fraction form
   16,755.89/23,123.40 = 9,099.17/x
3. Step 3: Cross multiply
   16,755.89x = 23,123.40 × 9,099.17
4. Step 4: Simplify right side
   16,755.89x = 210,403,666.08
5. Step 5: Solve for x
   x = 210,403,666.08/16,755.89
6. Step 6: Final answer
   x = 12,557.00