Finding the Fourth Proportional to 2,597.42, 3,579.80 and 1,966.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.42 : 3,579.80 = 1,966.44 : x
2. Step 2: Convert to fraction form
   2,597.42/3,579.80 = 1,966.44/x
3. Step 3: Cross multiply
   2,597.42x = 3,579.80 × 1,966.44
4. Step 4: Simplify right side
   2,597.42x = 7,039,451.89
5. Step 5: Solve for x
   x = 7,039,451.89/2,597.42
6. Step 6: Final answer
   x = 2,710.17