Finding the Fourth Proportional to 8,100.79, 11,177.41 and 5,114.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.79 : 11,177.41 = 5,114.96 : x
2. Step 2: Convert to fraction form
   8,100.79/11,177.41 = 5,114.96/x
3. Step 3: Cross multiply
   8,100.79x = 11,177.41 × 5,114.96
4. Step 4: Simplify right side
   8,100.79x = 57,171,979.48
5. Step 5: Solve for x
   x = 57,171,979.48/8,100.79
6. Step 6: Final answer
   x = 7,057.59