Finding the Fourth Proportional to 14,218.59, 19,621.37 and 8,250.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,218.59 : 19,621.37 = 8,250.84 : x
2. Step 2: Convert to fraction form
   14,218.59/19,621.37 = 8,250.84/x
3. Step 3: Cross multiply
   14,218.59x = 19,621.37 × 8,250.84
4. Step 4: Simplify right side
   14,218.59x = 161,892,743.20
5. Step 5: Solve for x
   x = 161,892,743.20/14,218.59
6. Step 6: Final answer
   x = 11,385.99