Finding the Fourth Proportional to 6,457.56, 8,911.64 and 3,804.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,457.56 : 8,911.64 = 3,804.72 : x
2. Step 2: Convert to fraction form
   6,457.56/8,911.64 = 3,804.72/x
3. Step 3: Cross multiply
   6,457.56x = 8,911.64 × 3,804.72
4. Step 4: Simplify right side
   6,457.56x = 33,906,294.94
5. Step 5: Solve for x
   x = 33,906,294.94/6,457.56
6. Step 6: Final answer
   x = 5,250.64