Finding the Fourth Proportional to 7,062.86, 10,587.42 and 3,939.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,062.86 : 10,587.42 = 3,939.98 : x
2. Step 2: Convert to fraction form
   7,062.86/10,587.42 = 3,939.98/x
3. Step 3: Cross multiply
   7,062.86x = 10,587.42 × 3,939.98
4. Step 4: Simplify right side
   7,062.86x = 41,714,223.05
5. Step 5: Solve for x
   x = 41,714,223.05/7,062.86
6. Step 6: Final answer
   x = 5,906.14