Finding the Fourth Proportional to 21,112.58, 31,667.04 and 6,324.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,112.58 : 31,667.04 = 6,324.82 : x
2. Step 2: Convert to fraction form
   21,112.58/31,667.04 = 6,324.82/x
3. Step 3: Cross multiply
   21,112.58x = 31,667.04 × 6,324.82
4. Step 4: Simplify right side
   21,112.58x = 200,288,248.77
5. Step 5: Solve for x
   x = 200,288,248.77/21,112.58
6. Step 6: Final answer
   x = 9,486.68