Finding the Fourth Proportional to 1,647.52, 2,473.10 and 674.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,647.52 : 2,473.10 = 674.30 : x
2. Step 2: Convert to fraction form
   1,647.52/2,473.10 = 674.30/x
3. Step 3: Cross multiply
   1,647.52x = 2,473.10 × 674.30
4. Step 4: Simplify right side
   1,647.52x = 1,667,611.33
5. Step 5: Solve for x
   x = 1,667,611.33/1,647.52
6. Step 6: Final answer
   x = 1,012.19