Finding the Fourth Proportional to 2,611.30, 3,604.98 and 1,776.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.30 : 3,604.98 = 1,776.46 : x
2. Step 2: Convert to fraction form
   2,611.30/3,604.98 = 1,776.46/x
3. Step 3: Cross multiply
   2,611.30x = 3,604.98 × 1,776.46
4. Step 4: Simplify right side
   2,611.30x = 6,404,102.77
5. Step 5: Solve for x
   x = 6,404,102.77/2,611.30
6. Step 6: Final answer
   x = 2,452.46