Finding the Fourth Proportional to 5,705.16, 8,551.94 and 3,856.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,705.16 : 8,551.94 = 3,856.47 : x
2. Step 2: Convert to fraction form
   5,705.16/8,551.94 = 3,856.47/x
3. Step 3: Cross multiply
   5,705.16x = 8,551.94 × 3,856.47
4. Step 4: Simplify right side
   5,705.16x = 32,980,280.77
5. Step 5: Solve for x
   x = 32,980,280.77/5,705.16
6. Step 6: Final answer
   x = 5,780.78