Finding the Fourth Proportional to 2,680.04, 3,697.98 and 1,631.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.04 : 3,697.98 = 1,631.72 : x
2. Step 2: Convert to fraction form
   2,680.04/3,697.98 = 1,631.72/x
3. Step 3: Cross multiply
   2,680.04x = 3,697.98 × 1,631.72
4. Step 4: Simplify right side
   2,680.04x = 6,034,067.93
5. Step 5: Solve for x
   x = 6,034,067.93/2,680.04
6. Step 6: Final answer
   x = 2,251.48