Finding the Fourth Proportional to 2,004.32, 2,998.60 and 1,770.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.32 : 2,998.60 = 1,770.57 : x
2. Step 2: Convert to fraction form
   2,004.32/2,998.60 = 1,770.57/x
3. Step 3: Cross multiply
   2,004.32x = 2,998.60 × 1,770.57
4. Step 4: Simplify right side
   2,004.32x = 5,309,226.78
5. Step 5: Solve for x
   x = 5,309,226.78/2,004.32
6. Step 6: Final answer
   x = 2,648.89