Finding the Fourth Proportional to 8,820.27, 12,171.54 and 4,841.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.27 : 12,171.54 = 4,841.31 : x
2. Step 2: Convert to fraction form
   8,820.27/12,171.54 = 4,841.31/x
3. Step 3: Cross multiply
   8,820.27x = 12,171.54 × 4,841.31
4. Step 4: Simplify right side
   8,820.27x = 58,926,198.32
5. Step 5: Solve for x
   x = 58,926,198.32/8,820.27
6. Step 6: Final answer
   x = 6,680.77