Finding the Fourth Proportional to 3,216.42, 4,826.78 and 1,136.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216.42 : 4,826.78 = 1,136.44 : x
2. Step 2: Convert to fraction form
   3,216.42/4,826.78 = 1,136.44/x
3. Step 3: Cross multiply
   3,216.42x = 4,826.78 × 1,136.44
4. Step 4: Simplify right side
   3,216.42x = 5,485,345.86
5. Step 5: Solve for x
   x = 5,485,345.86/3,216.42
6. Step 6: Final answer
   x = 1,705.42