Finding the Fourth Proportional to 2,904.47, 4,362.30 and 2,488.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.47 : 4,362.30 = 2,488.94 : x
2. Step 2: Convert to fraction form
   2,904.47/4,362.30 = 2,488.94/x
3. Step 3: Cross multiply
   2,904.47x = 4,362.30 × 2,488.94
4. Step 4: Simplify right side
   2,904.47x = 10,857,481.15
5. Step 5: Solve for x
   x = 10,857,481.15/2,904.47
6. Step 6: Final answer
   x = 3,738.20