Finding the Fourth Proportional to 3,667.88, 5,491.02 and 2,276.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.88 : 5,491.02 = 2,276.76 : x
2. Step 2: Convert to fraction form
   3,667.88/5,491.02 = 2,276.76/x
3. Step 3: Cross multiply
   3,667.88x = 5,491.02 × 2,276.76
4. Step 4: Simplify right side
   3,667.88x = 12,501,734.70
5. Step 5: Solve for x
   x = 12,501,734.70/3,667.88
6. Step 6: Final answer
   x = 3,408.44