Finding the Fourth Proportional to 21,535.91, 32,270.90 and 14,489.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,535.91 : 32,270.90 = 14,489.83 : x
2. Step 2: Convert to fraction form
   21,535.91/32,270.90 = 14,489.83/x
3. Step 3: Cross multiply
   21,535.91x = 32,270.90 × 14,489.83
4. Step 4: Simplify right side
   21,535.91x = 467,599,641.31
5. Step 5: Solve for x
   x = 467,599,641.31/21,535.91
6. Step 6: Final answer
   x = 21,712.55