Finding the Fourth Proportional to 6,128.69, 8,457.35 and 3,476.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.69 : 8,457.35 = 3,476.04 : x
2. Step 2: Convert to fraction form
   6,128.69/8,457.35 = 3,476.04/x
3. Step 3: Cross multiply
   6,128.69x = 8,457.35 × 3,476.04
4. Step 4: Simplify right side
   6,128.69x = 29,398,069.51
5. Step 5: Solve for x
   x = 29,398,069.51/6,128.69
6. Step 6: Final answer
   x = 4,796.79