Finding the Fourth Proportional to 2,378.59, 3,283.50 and 1,571.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.59 : 3,283.50 = 1,571.02 : x
2. Step 2: Convert to fraction form
   2,378.59/3,283.50 = 1,571.02/x
3. Step 3: Cross multiply
   2,378.59x = 3,283.50 × 1,571.02
4. Step 4: Simplify right side
   2,378.59x = 5,158,441.85
5. Step 5: Solve for x
   x = 5,158,441.85/2,378.59
6. Step 6: Final answer
   x = 2,168.70