Finding the Fourth Proportional to 5,696.21, 7,858.69 and 3,571.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,696.21 : 7,858.69 = 3,571.83 : x
2. Step 2: Convert to fraction form
   5,696.21/7,858.69 = 3,571.83/x
3. Step 3: Cross multiply
   5,696.21x = 7,858.69 × 3,571.83
4. Step 4: Simplify right side
   5,696.21x = 28,069,904.70
5. Step 5: Solve for x
   x = 28,069,904.70/5,696.21
6. Step 6: Final answer
   x = 4,927.82