Finding the Fourth Proportional to 2,153.72, 2,973.36 and 1,446.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.72 : 2,973.36 = 1,446.83 : x
2. Step 2: Convert to fraction form
   2,153.72/2,973.36 = 1,446.83/x
3. Step 3: Cross multiply
   2,153.72x = 2,973.36 × 1,446.83
4. Step 4: Simplify right side
   2,153.72x = 4,301,924.35
5. Step 5: Solve for x
   x = 4,301,924.35/2,153.72
6. Step 6: Final answer
   x = 1,997.44