Finding the Fourth Proportional to 3,809.71, 5,706.27 and 3,716.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809.71 : 5,706.27 = 3,716.77 : x
2. Step 2: Convert to fraction form
   3,809.71/5,706.27 = 3,716.77/x
3. Step 3: Cross multiply
   3,809.71x = 5,706.27 × 3,716.77
4. Step 4: Simplify right side
   3,809.71x = 21,208,893.15
5. Step 5: Solve for x
   x = 21,208,893.15/3,809.71
6. Step 6: Final answer
   x = 5,567.06