Finding the Fourth Proportional to 14,105.43, 21,159.56 and 5,223.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.43 : 21,159.56 = 5,223.14 : x
2. Step 2: Convert to fraction form
   14,105.43/21,159.56 = 5,223.14/x
3. Step 3: Cross multiply
   14,105.43x = 21,159.56 × 5,223.14
4. Step 4: Simplify right side
   14,105.43x = 110,519,265.20
5. Step 5: Solve for x
   x = 110,519,265.20/14,105.43
6. Step 6: Final answer
   x = 7,835.23