Finding the Fourth Proportional to 2,071.72, 2,858.34 and 1,449.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.72 : 2,858.34 = 1,449.64 : x
2. Step 2: Convert to fraction form
   2,071.72/2,858.34 = 1,449.64/x
3. Step 3: Cross multiply
   2,071.72x = 2,858.34 × 1,449.64
4. Step 4: Simplify right side
   2,071.72x = 4,143,564.00
5. Step 5: Solve for x
   x = 4,143,564.00/2,071.72
6. Step 6: Final answer
   x = 2,000.06