Finding the Fourth Proportional to 14,990.73, 22,499.91 and 14,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,990.73 : 22,499.91 = 14,086.50 : x
2. Step 2: Convert to fraction form
   14,990.73/22,499.91 = 14,086.50/x
3. Step 3: Cross multiply
   14,990.73x = 22,499.91 × 14,086.50
4. Step 4: Simplify right side
   14,990.73x = 316,944,982.22
5. Step 5: Solve for x
   x = 316,944,982.22/14,990.73
6. Step 6: Final answer
   x = 21,142.73