Finding the Fourth Proportional to 6,128.46, 8,457.36 and 3,333.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.46 : 8,457.36 = 3,333.96 : x
2. Step 2: Convert to fraction form
   6,128.46/8,457.36 = 3,333.96/x
3. Step 3: Cross multiply
   6,128.46x = 8,457.36 × 3,333.96
4. Step 4: Simplify right side
   6,128.46x = 28,196,499.95
5. Step 5: Solve for x
   x = 28,196,499.95/6,128.46
6. Step 6: Final answer
   x = 4,600.91