Finding the Fourth Proportional to 21,084.27, 31,631.59 and 14,856.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,084.27 : 31,631.59 = 14,856.44 : x
2. Step 2: Convert to fraction form
   21,084.27/31,631.59 = 14,856.44/x
3. Step 3: Cross multiply
   21,084.27x = 31,631.59 × 14,856.44
4. Step 4: Simplify right side
   21,084.27x = 469,932,726.53
5. Step 5: Solve for x
   x = 469,932,726.53/21,084.27
6. Step 6: Final answer
   x = 22,288.31