Finding the Fourth Proportional to 5,851.31, 8,068.67 and 3,859.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,851.31 : 8,068.67 = 3,859.32 : x
2. Step 2: Convert to fraction form
   5,851.31/8,068.67 = 3,859.32/x
3. Step 3: Cross multiply
   5,851.31x = 8,068.67 × 3,859.32
4. Step 4: Simplify right side
   5,851.31x = 31,139,560.21
5. Step 5: Solve for x
   x = 31,139,560.21/5,851.31
6. Step 6: Final answer
   x = 5,321.81