Finding the Fourth Proportional to 10,234.34, 14,122.79 and 5,757.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,234.34 : 14,122.79 = 5,757.90 : x
2. Step 2: Convert to fraction form
   10,234.34/14,122.79 = 5,757.90/x
3. Step 3: Cross multiply
   10,234.34x = 14,122.79 × 5,757.90
4. Step 4: Simplify right side
   10,234.34x = 81,317,612.54
5. Step 5: Solve for x
   x = 81,317,612.54/10,234.34
6. Step 6: Final answer
   x = 7,945.56