Finding the Fourth Proportional to 5,583.81, 8,378.15 and 3,855.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,583.81 : 8,378.15 = 3,855.27 : x
2. Step 2: Convert to fraction form
   5,583.81/8,378.15 = 3,855.27/x
3. Step 3: Cross multiply
   5,583.81x = 8,378.15 × 3,855.27
4. Step 4: Simplify right side
   5,583.81x = 32,300,011.07
5. Step 5: Solve for x
   x = 32,300,011.07/5,583.81
6. Step 6: Final answer
   x = 5,784.58