Finding the Fourth Proportional to 3,591.50, 5,380.43 and 1,740.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.50 : 5,380.43 = 1,740.02 : x
2. Step 2: Convert to fraction form
   3,591.50/5,380.43 = 1,740.02/x
3. Step 3: Cross multiply
   3,591.50x = 5,380.43 × 1,740.02
4. Step 4: Simplify right side
   3,591.50x = 9,362,020.21
5. Step 5: Solve for x
   x = 9,362,020.21/3,591.50
6. Step 6: Final answer
   x = 2,606.72