Finding the Fourth Proportional to 16,618.14, 22,932.47 and 9,900.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,618.14 : 22,932.47 = 9,900.29 : x
2. Step 2: Convert to fraction form
   16,618.14/22,932.47 = 9,900.29/x
3. Step 3: Cross multiply
   16,618.14x = 22,932.47 × 9,900.29
4. Step 4: Simplify right side
   16,618.14x = 227,038,185.50
5. Step 5: Solve for x
   x = 227,038,185.50/16,618.14
6. Step 6: Final answer
   x = 13,662.07