Finding the Fourth Proportional to 5,906.56, 8,861.85 and 3,712.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,906.56 : 8,861.85 = 3,712.72 : x
2. Step 2: Convert to fraction form
   5,906.56/8,861.85 = 3,712.72/x
3. Step 3: Cross multiply
   5,906.56x = 8,861.85 × 3,712.72
4. Step 4: Simplify right side
   5,906.56x = 32,901,567.73
5. Step 5: Solve for x
   x = 32,901,567.73/5,906.56
6. Step 6: Final answer
   x = 5,570.34