Finding the Fourth Proportional to 2,680.10, 3,698.66 and 1,501.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.10 : 3,698.66 = 1,501.15 : x
2. Step 2: Convert to fraction form
   2,680.10/3,698.66 = 1,501.15/x
3. Step 3: Cross multiply
   2,680.10x = 3,698.66 × 1,501.15
4. Step 4: Simplify right side
   2,680.10x = 5,552,243.46
5. Step 5: Solve for x
   x = 5,552,243.46/2,680.10
6. Step 6: Final answer
   x = 2,071.66