Finding the Fourth Proportional to 5,410.89, 8,111.49 and 2,126.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.89 : 8,111.49 = 2,126.27 : x
2. Step 2: Convert to fraction form
   5,410.89/8,111.49 = 2,126.27/x
3. Step 3: Cross multiply
   5,410.89x = 8,111.49 × 2,126.27
4. Step 4: Simplify right side
   5,410.89x = 17,247,177.28
5. Step 5: Solve for x
   x = 17,247,177.28/5,410.89
6. Step 6: Final answer
   x = 3,187.49