Finding the Fourth Proportional to 6,636.57, 9,155.86 and 3,802.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,636.57 : 9,155.86 = 3,802.42 : x
2. Step 2: Convert to fraction form
   6,636.57/9,155.86 = 3,802.42/x
3. Step 3: Cross multiply
   6,636.57x = 9,155.86 × 3,802.42
4. Step 4: Simplify right side
   6,636.57x = 34,814,425.18
5. Step 5: Solve for x
   x = 34,814,425.18/6,636.57
6. Step 6: Final answer
   x = 5,245.85