Finding the Fourth Proportional to 6,457.98, 8,911.82 and 3,625.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,457.98 : 8,911.82 = 3,625.28 : x
2. Step 2: Convert to fraction form
   6,457.98/8,911.82 = 3,625.28/x
3. Step 3: Cross multiply
   6,457.98x = 8,911.82 × 3,625.28
4. Step 4: Simplify right side
   6,457.98x = 32,307,842.81
5. Step 5: Solve for x
   x = 32,307,842.81/6,457.98
6. Step 6: Final answer
   x = 5,002.78