Finding the Fourth Proportional to 2,007.48, 3,013.02 and 1,680.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.48 : 3,013.02 = 1,680.47 : x
2. Step 2: Convert to fraction form
   2,007.48/3,013.02 = 1,680.47/x
3. Step 3: Cross multiply
   2,007.48x = 3,013.02 × 1,680.47
4. Step 4: Simplify right side
   2,007.48x = 5,063,274.65
5. Step 5: Solve for x
   x = 5,063,274.65/2,007.48
6. Step 6: Final answer
   x = 2,522.20