Finding the Fourth Proportional to 6,210.72, 8,570.82 and 3,416.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,210.72 : 8,570.82 = 3,416.28 : x
2. Step 2: Convert to fraction form
   6,210.72/8,570.82 = 3,416.28/x
3. Step 3: Cross multiply
   6,210.72x = 8,570.82 × 3,416.28
4. Step 4: Simplify right side
   6,210.72x = 29,280,320.95
5. Step 5: Solve for x
   x = 29,280,320.95/6,210.72
6. Step 6: Final answer
   x = 4,714.48