Finding the Fourth Proportional to 10,424.09, 14,385.90 and 5,708.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,424.09 : 14,385.90 = 5,708.37 : x
2. Step 2: Convert to fraction form
   10,424.09/14,385.90 = 5,708.37/x
3. Step 3: Cross multiply
   10,424.09x = 14,385.90 × 5,708.37
4. Step 4: Simplify right side
   10,424.09x = 82,120,115.34
5. Step 5: Solve for x
   x = 82,120,115.34/10,424.09
6. Step 6: Final answer
   x = 7,877.92