Finding the Fourth Proportional to 3,619.22, 4,994.89 and 2,611.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.22 : 4,994.89 = 2,611.76 : x
2. Step 2: Convert to fraction form
   3,619.22/4,994.89 = 2,611.76/x
3. Step 3: Cross multiply
   3,619.22x = 4,994.89 × 2,611.76
4. Step 4: Simplify right side
   3,619.22x = 13,045,459.86
5. Step 5: Solve for x
   x = 13,045,459.86/3,619.22
6. Step 6: Final answer
   x = 3,604.49