Finding the Fourth Proportional to 5,667.72, 8,495.16 and 2,549.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.72 : 8,495.16 = 2,549.40 : x
2. Step 2: Convert to fraction form
   5,667.72/8,495.16 = 2,549.40/x
3. Step 3: Cross multiply
   5,667.72x = 8,495.16 × 2,549.40
4. Step 4: Simplify right side
   5,667.72x = 21,657,560.90
5. Step 5: Solve for x
   x = 21,657,560.90/5,667.72
6. Step 6: Final answer
   x = 3,821.21