Finding the Fourth Proportional to 7,002.25, 9,662.99 and 3,815.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.25 : 9,662.99 = 3,815.57 : x
2. Step 2: Convert to fraction form
   7,002.25/9,662.99 = 3,815.57/x
3. Step 3: Cross multiply
   7,002.25x = 9,662.99 × 3,815.57
4. Step 4: Simplify right side
   7,002.25x = 36,869,819.83
5. Step 5: Solve for x
   x = 36,869,819.83/7,002.25
6. Step 6: Final answer
   x = 5,265.43