Finding the Fourth Proportional to 3,142.59, 4,337.72 and 1,817.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.59 : 4,337.72 = 1,817.22 : x
2. Step 2: Convert to fraction form
   3,142.59/4,337.72 = 1,817.22/x
3. Step 3: Cross multiply
   3,142.59x = 4,337.72 × 1,817.22
4. Step 4: Simplify right side
   3,142.59x = 7,882,591.54
5. Step 5: Solve for x
   x = 7,882,591.54/3,142.59
6. Step 6: Final answer
   x = 2,508.31