Finding the Fourth Proportional to 21,294.48, 31,941.84 and 5,498.43

Step by Step Solution

1. Step 1: Write the proportion equation
   21,294.48 : 31,941.84 = 5,498.43 : x
2. Step 2: Convert to fraction form
   21,294.48/31,941.84 = 5,498.43/x
3. Step 3: Cross multiply
   21,294.48x = 31,941.84 × 5,498.43
4. Step 4: Simplify right side
   21,294.48x = 175,629,971.31
5. Step 5: Solve for x
   x = 175,629,971.31/21,294.48
6. Step 6: Final answer
   x = 8,247.68