Finding the Fourth Proportional to 16,118.10, 22,257.16 and 10,078.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,118.10 : 22,257.16 = 10,078.69 : x
2. Step 2: Convert to fraction form
   16,118.10/22,257.16 = 10,078.69/x
3. Step 3: Cross multiply
   16,118.10x = 22,257.16 × 10,078.69
4. Step 4: Simplify right side
   16,118.10x = 224,322,904.63
5. Step 5: Solve for x
   x = 224,322,904.63/16,118.10
6. Step 6: Final answer
   x = 13,917.45