Finding the Fourth Proportional to 6,412.96, 9,636.35 and 3,453.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,412.96 : 9,636.35 = 3,453.59 : x
2. Step 2: Convert to fraction form
   6,412.96/9,636.35 = 3,453.59/x
3. Step 3: Cross multiply
   6,412.96x = 9,636.35 × 3,453.59
4. Step 4: Simplify right side
   6,412.96x = 33,280,002.00
5. Step 5: Solve for x
   x = 33,280,002.00/6,412.96
6. Step 6: Final answer
   x = 5,189.49