Finding the Fourth Proportional to 8,879.41, 12,253.48 and 4,900.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.41 : 12,253.48 = 4,900.42 : x
2. Step 2: Convert to fraction form
   8,879.41/12,253.48 = 4,900.42/x
3. Step 3: Cross multiply
   8,879.41x = 12,253.48 × 4,900.42
4. Step 4: Simplify right side
   8,879.41x = 60,047,198.46
5. Step 5: Solve for x
   x = 60,047,198.46/8,879.41
6. Step 6: Final answer
   x = 6,762.52