Finding the Fourth Proportional to 16,618.89, 22,933.51 and 9,901.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,618.89 : 22,933.51 = 9,901.04 : x
2. Step 2: Convert to fraction form
   16,618.89/22,933.51 = 9,901.04/x
3. Step 3: Cross multiply
   16,618.89x = 22,933.51 × 9,901.04
4. Step 4: Simplify right side
   16,618.89x = 227,065,632.43
5. Step 5: Solve for x
   x = 227,065,632.43/16,618.89
6. Step 6: Final answer
   x = 13,663.10