Finding the Fourth Proportional to 8,834.18, 12,191.17 and 4,855.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,834.18 : 12,191.17 = 4,855.55 : x
2. Step 2: Convert to fraction form
   8,834.18/12,191.17 = 4,855.55/x
3. Step 3: Cross multiply
   8,834.18x = 12,191.17 × 4,855.55
4. Step 4: Simplify right side
   8,834.18x = 59,194,762.40
5. Step 5: Solve for x
   x = 59,194,762.40/8,834.18
6. Step 6: Final answer
   x = 6,700.65