Finding the Fourth Proportional to 16,651.57, 22,980.72 and 9,099.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.57 : 22,980.72 = 9,099.02 : x
2. Step 2: Convert to fraction form
   16,651.57/22,980.72 = 9,099.02/x
3. Step 3: Cross multiply
   16,651.57x = 22,980.72 × 9,099.02
4. Step 4: Simplify right side
   16,651.57x = 209,101,915.99
5. Step 5: Solve for x
   x = 209,101,915.99/16,651.57
6. Step 6: Final answer
   x = 12,557.49