Finding the Fourth Proportional to 3,843.76, 5,772.60 and 3,535.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.76 : 5,772.60 = 3,535.06 : x
2. Step 2: Convert to fraction form
   3,843.76/5,772.60 = 3,535.06/x
3. Step 3: Cross multiply
   3,843.76x = 5,772.60 × 3,535.06
4. Step 4: Simplify right side
   3,843.76x = 20,406,487.36
5. Step 5: Solve for x
   x = 20,406,487.36/3,843.76
6. Step 6: Final answer
   x = 5,308.99