Finding the Fourth Proportional to 21,327.50, 31,984.31 and 7,092.14

Step by Step Solution

1. Step 1: Write the proportion equation
   21,327.50 : 31,984.31 = 7,092.14 : x
2. Step 2: Convert to fraction form
   21,327.50/31,984.31 = 7,092.14/x
3. Step 3: Cross multiply
   21,327.50x = 31,984.31 × 7,092.14
4. Step 4: Simplify right side
   21,327.50x = 226,837,168.86
5. Step 5: Solve for x
   x = 226,837,168.86/21,327.50
6. Step 6: Final answer
   x = 10,635.90