Finding the Fourth Proportional to 8,820.27, 13,234.72 and 4,140.65

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.27 : 13,234.72 = 4,140.65 : x
2. Step 2: Convert to fraction form
   8,820.27/13,234.72 = 4,140.65/x
3. Step 3: Cross multiply
   8,820.27x = 13,234.72 × 4,140.65
4. Step 4: Simplify right side
   8,820.27x = 54,800,366.10
5. Step 5: Solve for x
   x = 54,800,366.10/8,820.27
6. Step 6: Final answer
   x = 6,213.00