Finding the Fourth Proportional to 2,156.04, 2,973.30 and 1,449.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.04 : 2,973.30 = 1,449.48 : x
2. Step 2: Convert to fraction form
   2,156.04/2,973.30 = 1,449.48/x
3. Step 3: Cross multiply
   2,156.04x = 2,973.30 × 1,449.48
4. Step 4: Simplify right side
   2,156.04x = 4,309,738.88
5. Step 5: Solve for x
   x = 4,309,738.88/2,156.04
6. Step 6: Final answer
   x = 1,998.91