Finding the Fourth Proportional to 6,417.02, 9,617.94 and 3,122.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,417.02 : 9,617.94 = 3,122.55 : x
2. Step 2: Convert to fraction form
   6,417.02/9,617.94 = 3,122.55/x
3. Step 3: Cross multiply
   6,417.02x = 9,617.94 × 3,122.55
4. Step 4: Simplify right side
   6,417.02x = 30,032,498.55
5. Step 5: Solve for x
   x = 30,032,498.55/6,417.02
6. Step 6: Final answer
   x = 4,680.13