Finding the Fourth Proportional to 16,298.90, 22,493.01 and 9,225.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,298.90 : 22,493.01 = 9,225.17 : x
2. Step 2: Convert to fraction form
   16,298.90/22,493.01 = 9,225.17/x
3. Step 3: Cross multiply
   16,298.90x = 22,493.01 × 9,225.17
4. Step 4: Simplify right side
   16,298.90x = 207,501,728.60
5. Step 5: Solve for x
   x = 207,501,728.60/16,298.90
6. Step 6: Final answer
   x = 12,731.03