Finding the Fourth Proportional to 16,002.89, 22,083.53 and 9,289.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.89 : 22,083.53 = 9,289.07 : x
2. Step 2: Convert to fraction form
   16,002.89/22,083.53 = 9,289.07/x
3. Step 3: Cross multiply
   16,002.89x = 22,083.53 × 9,289.07
4. Step 4: Simplify right side
   16,002.89x = 205,135,299.15
5. Step 5: Solve for x
   x = 205,135,299.15/16,002.89
6. Step 6: Final answer
   x = 12,818.64