Finding the Fourth Proportional to 2,317.86, 3,477.30 and 674.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.86 : 3,477.30 = 674.56 : x
2. Step 2: Convert to fraction form
   2,317.86/3,477.30 = 674.56/x
3. Step 3: Cross multiply
   2,317.86x = 3,477.30 × 674.56
4. Step 4: Simplify right side
   2,317.86x = 2,345,647.49
5. Step 5: Solve for x
   x = 2,345,647.49/2,317.86
6. Step 6: Final answer
   x = 1,011.99