Finding the Fourth Proportional to 3,200.42, 4,797.34 and 1,225.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,200.42 : 4,797.34 = 1,225.59 : x
2. Step 2: Convert to fraction form
   3,200.42/4,797.34 = 1,225.59/x
3. Step 3: Cross multiply
   3,200.42x = 4,797.34 × 1,225.59
4. Step 4: Simplify right side
   3,200.42x = 5,879,541.82
5. Step 5: Solve for x
   x = 5,879,541.82/3,200.42
6. Step 6: Final answer
   x = 1,837.12