Finding the Fourth Proportional to 8,890.41, 12,268.17 and 4,911.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,890.41 : 12,268.17 = 4,911.48 : x
2. Step 2: Convert to fraction form
   8,890.41/12,268.17 = 4,911.48/x
3. Step 3: Cross multiply
   8,890.41x = 12,268.17 × 4,911.48
4. Step 4: Simplify right side
   8,890.41x = 60,254,871.59
5. Step 5: Solve for x
   x = 60,254,871.59/8,890.41
6. Step 6: Final answer
   x = 6,777.51