Finding the Fourth Proportional to 14,108.86, 19,467.07 and 8,140.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,108.86 : 19,467.07 = 8,140.15 : x
2. Step 2: Convert to fraction form
   14,108.86/19,467.07 = 8,140.15/x
3. Step 3: Cross multiply
   14,108.86x = 19,467.07 × 8,140.15
4. Step 4: Simplify right side
   14,108.86x = 158,464,869.86
5. Step 5: Solve for x
   x = 158,464,869.86/14,108.86
6. Step 6: Final answer
   x = 11,231.59