Finding the Fourth Proportional to 6,238.71, 8,609.15 and 3,406.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,238.71 : 8,609.15 = 3,406.03 : x
2. Step 2: Convert to fraction form
   6,238.71/8,609.15 = 3,406.03/x
3. Step 3: Cross multiply
   6,238.71x = 8,609.15 × 3,406.03
4. Step 4: Simplify right side
   6,238.71x = 29,323,010.17
5. Step 5: Solve for x
   x = 29,323,010.17/6,238.71
6. Step 6: Final answer
   x = 4,700.17