Finding the Fourth Proportional to 21,124.24, 31,682.04 and 7,270.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,124.24 : 31,682.04 = 7,270.16 : x
2. Step 2: Convert to fraction form
   21,124.24/31,682.04 = 7,270.16/x
3. Step 3: Cross multiply
   21,124.24x = 31,682.04 × 7,270.16
4. Step 4: Simplify right side
   21,124.24x = 230,333,499.93
5. Step 5: Solve for x
   x = 230,333,499.93/21,124.24
6. Step 6: Final answer
   x = 10,903.75