Finding the Fourth Proportional to 2,142.45, 2,952.05 and 1,544.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.45 : 2,952.05 = 1,544.27 : x
2. Step 2: Convert to fraction form
   2,142.45/2,952.05 = 1,544.27/x
3. Step 3: Cross multiply
   2,142.45x = 2,952.05 × 1,544.27
4. Step 4: Simplify right side
   2,142.45x = 4,558,739.77
5. Step 5: Solve for x
   x = 4,558,739.77/2,142.45
6. Step 6: Final answer
   x = 2,127.82