Finding the Fourth Proportional to 4,612.03, 6,362.72 and 3,215.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,612.03 : 6,362.72 = 3,215.59 : x
2. Step 2: Convert to fraction form
   4,612.03/6,362.72 = 3,215.59/x
3. Step 3: Cross multiply
   4,612.03x = 6,362.72 × 3,215.59
4. Step 4: Simplify right side
   4,612.03x = 20,459,878.88
5. Step 5: Solve for x
   x = 20,459,878.88/4,612.03
6. Step 6: Final answer
   x = 4,436.20