Finding the Fourth Proportional to 3,906.81, 5,859.91 and 1,566.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.81 : 5,859.91 = 1,566.72 : x
2. Step 2: Convert to fraction form
   3,906.81/5,859.91 = 1,566.72/x
3. Step 3: Cross multiply
   3,906.81x = 5,859.91 × 1,566.72
4. Step 4: Simplify right side
   3,906.81x = 9,180,838.20
5. Step 5: Solve for x
   x = 9,180,838.20/3,906.81
6. Step 6: Final answer
   x = 2,349.96