Finding the Fourth Proportional to 2,680.32, 3,698.64 and 1,501.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.32 : 3,698.64 = 1,501.20 : x
2. Step 2: Convert to fraction form
   2,680.32/3,698.64 = 1,501.20/x
3. Step 3: Cross multiply
   2,680.32x = 3,698.64 × 1,501.20
4. Step 4: Simplify right side
   2,680.32x = 5,552,398.37
5. Step 5: Solve for x
   x = 5,552,398.37/2,680.32
6. Step 6: Final answer
   x = 2,071.54