Finding the Fourth Proportional to 3,200.72, 4,417.02 and 1,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.72 : 4,417.02 = 1,784.50 : x
2. Step 2: Convert to fraction form
   3,200.72/4,417.02 = 1,784.50/x
3. Step 3: Cross multiply
   3,200.72x = 4,417.02 × 1,784.50
4. Step 4: Simplify right side
   3,200.72x = 7,882,167.73
5. Step 5: Solve for x
   x = 7,882,167.73/3,200.72
6. Step 6: Final answer
   x = 2,462.62