Finding the Fourth Proportional to 6,457.34, 8,910.86 and 3,804.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,457.34 : 8,910.86 = 3,804.86 : x
2. Step 2: Convert to fraction form
   6,457.34/8,910.86 = 3,804.86/x
3. Step 3: Cross multiply
   6,457.34x = 8,910.86 × 3,804.86
4. Step 4: Simplify right side
   6,457.34x = 33,904,574.78
5. Step 5: Solve for x
   x = 33,904,574.78/6,457.34
6. Step 6: Final answer
   x = 5,250.55