Finding the Fourth Proportional to 21,144.84, 31,717.24 and 5,562.48

Step by Step Solution

1. Step 1: Write the proportion equation
   21,144.84 : 31,717.24 = 5,562.48 : x
2. Step 2: Convert to fraction form
   21,144.84/31,717.24 = 5,562.48/x
3. Step 3: Cross multiply
   21,144.84x = 31,717.24 × 5,562.48
4. Step 4: Simplify right side
   21,144.84x = 176,426,513.16
5. Step 5: Solve for x
   x = 176,426,513.16/21,144.84
6. Step 6: Final answer
   x = 8,343.71