Finding the Fourth Proportional to 10,355.43, 14,290.43 and 5,817.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,355.43 : 14,290.43 = 5,817.48 : x
2. Step 2: Convert to fraction form
   10,355.43/14,290.43 = 5,817.48/x
3. Step 3: Cross multiply
   10,355.43x = 14,290.43 × 5,817.48
4. Step 4: Simplify right side
   10,355.43x = 83,134,290.72
5. Step 5: Solve for x
   x = 83,134,290.72/10,355.43
6. Step 6: Final answer
   x = 8,028.09