Finding the Fourth Proportional to 1,738.55, 2,607.82 and 440.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.55 : 2,607.82 = 440.01 : x
2. Step 2: Convert to fraction form
   1,738.55/2,607.82 = 440.01/x
3. Step 3: Cross multiply
   1,738.55x = 2,607.82 × 440.01
4. Step 4: Simplify right side
   1,738.55x = 1,147,465.78
5. Step 5: Solve for x
   x = 1,147,465.78/1,738.55
6. Step 6: Final answer
   x = 660.01