Finding the Fourth Proportional to 8,835.20, 12,185.50 and 5,813.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,835.20 : 12,185.50 = 5,813.42 : x
2. Step 2: Convert to fraction form
   8,835.20/12,185.50 = 5,813.42/x
3. Step 3: Cross multiply
   8,835.20x = 12,185.50 × 5,813.42
4. Step 4: Simplify right side
   8,835.20x = 70,839,429.41
5. Step 5: Solve for x
   x = 70,839,429.41/8,835.20
6. Step 6: Final answer
   x = 8,017.86