Finding the Fourth Proportional to 2,320.48, 3,479.90 and 1,004.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320.48 : 3,479.90 = 1,004.18 : x
2. Step 2: Convert to fraction form
   2,320.48/3,479.90 = 1,004.18/x
3. Step 3: Cross multiply
   2,320.48x = 3,479.90 × 1,004.18
4. Step 4: Simplify right side
   2,320.48x = 3,494,423.56
5. Step 5: Solve for x
   x = 3,494,423.56/2,320.48
6. Step 6: Final answer
   x = 1,505.90