Finding the Fourth Proportional to 14,222.18, 19,621.77 and 8,632.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,222.18 : 19,621.77 = 8,632.10 : x
2. Step 2: Convert to fraction form
   14,222.18/19,621.77 = 8,632.10/x
3. Step 3: Cross multiply
   14,222.18x = 19,621.77 × 8,632.10
4. Step 4: Simplify right side
   14,222.18x = 169,377,080.82
5. Step 5: Solve for x
   x = 169,377,080.82/14,222.18
6. Step 6: Final answer
   x = 11,909.36