Finding the Fourth Proportional to 16,118.93, 22,238.55 and 10,148.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,118.93 : 22,238.55 = 10,148.42 : x
2. Step 2: Convert to fraction form
   16,118.93/22,238.55 = 10,148.42/x
3. Step 3: Cross multiply
   16,118.93x = 22,238.55 × 10,148.42
4. Step 4: Simplify right side
   16,118.93x = 225,686,201.19
5. Step 5: Solve for x
   x = 225,686,201.19/16,118.93
6. Step 6: Final answer
   x = 14,001.31