Finding the Fourth Proportional to 4,621.25, 6,380.15 and 3,007.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,621.25 : 6,380.15 = 3,007.69 : x
2. Step 2: Convert to fraction form
   4,621.25/6,380.15 = 3,007.69/x
3. Step 3: Cross multiply
   4,621.25x = 6,380.15 × 3,007.69
4. Step 4: Simplify right side
   4,621.25x = 19,189,513.35
5. Step 5: Solve for x
   x = 19,189,513.35/4,621.25
6. Step 6: Final answer
   x = 4,152.45