Finding the Fourth Proportional to 6,457.93, 8,912.31 and 3,625.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,457.93 : 8,912.31 = 3,625.15 : x
2. Step 2: Convert to fraction form
   6,457.93/8,912.31 = 3,625.15/x
3. Step 3: Cross multiply
   6,457.93x = 8,912.31 × 3,625.15
4. Step 4: Simplify right side
   6,457.93x = 32,308,460.60
5. Step 5: Solve for x
   x = 32,308,460.60/6,457.93
6. Step 6: Final answer
   x = 5,002.91