Finding the Fourth Proportional to 14,433.23, 21,648.42 and 7,042.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,433.23 : 21,648.42 = 7,042.79 : x
2. Step 2: Convert to fraction form
   14,433.23/21,648.42 = 7,042.79/x
3. Step 3: Cross multiply
   14,433.23x = 21,648.42 × 7,042.79
4. Step 4: Simplify right side
   14,433.23x = 152,465,275.89
5. Step 5: Solve for x
   x = 152,465,275.89/14,433.23
6. Step 6: Final answer
   x = 10,563.49