Finding the Fourth Proportional to 3,179.50, 4,387.71 and 1,782.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,179.50 : 4,387.71 = 1,782.25 : x
2. Step 2: Convert to fraction form
   3,179.50/4,387.71 = 1,782.25/x
3. Step 3: Cross multiply
   3,179.50x = 4,387.71 × 1,782.25
4. Step 4: Simplify right side
   3,179.50x = 7,819,996.15
5. Step 5: Solve for x
   x = 7,819,996.15/3,179.50
6. Step 6: Final answer
   x = 2,459.51