Finding the Fourth Proportional to 5,401.92, 8,100.64 and 2,114.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.92 : 8,100.64 = 2,114.56 : x
2. Step 2: Convert to fraction form
   5,401.92/8,100.64 = 2,114.56/x
3. Step 3: Cross multiply
   5,401.92x = 8,100.64 × 2,114.56
4. Step 4: Simplify right side
   5,401.92x = 17,129,289.32
5. Step 5: Solve for x
   x = 17,129,289.32/5,401.92
6. Step 6: Final answer
   x = 3,170.96