Finding the Fourth Proportional to 1,672.08, 2,301.72 and 1,449.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672.08 : 2,301.72 = 1,449.72 : x
2. Step 2: Convert to fraction form
   1,672.08/2,301.72 = 1,449.72/x
3. Step 3: Cross multiply
   1,672.08x = 2,301.72 × 1,449.72
4. Step 4: Simplify right side
   1,672.08x = 3,336,849.52
5. Step 5: Solve for x
   x = 3,336,849.52/1,672.08
6. Step 6: Final answer
   x = 1,995.63