Finding the Fourth Proportional to 5,671.89, 7,826.49 and 3,577.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671.89 : 7,826.49 = 3,577.23 : x
2. Step 2: Convert to fraction form
   5,671.89/7,826.49 = 3,577.23/x
3. Step 3: Cross multiply
   5,671.89x = 7,826.49 × 3,577.23
4. Step 4: Simplify right side
   5,671.89x = 27,997,154.82
5. Step 5: Solve for x
   x = 27,997,154.82/5,671.89
6. Step 6: Final answer
   x = 4,936.12