Finding the Fourth Proportional to 16,391.54, 22,619.94 and 10,018.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,391.54 : 22,619.94 = 10,018.10 : x
2. Step 2: Convert to fraction form
   16,391.54/22,619.94 = 10,018.10/x
3. Step 3: Cross multiply
   16,391.54x = 22,619.94 × 10,018.10
4. Step 4: Simplify right side
   16,391.54x = 226,608,820.91
5. Step 5: Solve for x
   x = 226,608,820.91/16,391.54
6. Step 6: Final answer
   x = 13,824.74