Finding the Fourth Proportional to 10,424.25, 14,385.60 and 5,708.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.25 : 14,385.60 = 5,708.43 : x
2. Step 2: Convert to fraction form
   10,424.25/14,385.60 = 5,708.43/x
3. Step 3: Cross multiply
   10,424.25x = 14,385.60 × 5,708.43
4. Step 4: Simplify right side
   10,424.25x = 82,119,190.61
5. Step 5: Solve for x
   x = 82,119,190.61/10,424.25
6. Step 6: Final answer
   x = 7,877.71