Finding the Fourth Proportional to 31,998.50, 48,013.94 and 21,588.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,998.50 : 48,013.94 = 21,588.38 : x
2. Step 2: Convert to fraction form
   31,998.50/48,013.94 = 21,588.38/x
3. Step 3: Cross multiply
   31,998.50x = 48,013.94 × 21,588.38
4. Step 4: Simplify right side
   31,998.50x = 1,036,542,995.92
5. Step 5: Solve for x
   x = 1,036,542,995.92/31,998.50
6. Step 6: Final answer
   x = 32,393.49