Finding the Fourth Proportional to 5,856.31, 8,085.06 and 3,872.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,856.31 : 8,085.06 = 3,872.62 : x
2. Step 2: Convert to fraction form
   5,856.31/8,085.06 = 3,872.62/x
3. Step 3: Cross multiply
   5,856.31x = 8,085.06 × 3,872.62
4. Step 4: Simplify right side
   5,856.31x = 31,310,365.06
5. Step 5: Solve for x
   x = 31,310,365.06/5,856.31
6. Step 6: Final answer
   x = 5,346.43