Finding the Fourth Proportional to 8,834.12, 12,191.41 and 4,855.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,834.12 : 12,191.41 = 4,855.20 : x
2. Step 2: Convert to fraction form
   8,834.12/12,191.41 = 4,855.20/x
3. Step 3: Cross multiply
   8,834.12x = 12,191.41 × 4,855.20
4. Step 4: Simplify right side
   8,834.12x = 59,191,733.83
5. Step 5: Solve for x
   x = 59,191,733.83/8,834.12
6. Step 6: Final answer
   x = 6,700.35