Finding the Fourth Proportional to 2,142.15, 2,952.63 and 1,433.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.15 : 2,952.63 = 1,433.74 : x
2. Step 2: Convert to fraction form
   2,142.15/2,952.63 = 1,433.74/x
3. Step 3: Cross multiply
   2,142.15x = 2,952.63 × 1,433.74
4. Step 4: Simplify right side
   2,142.15x = 4,233,296.35
5. Step 5: Solve for x
   x = 4,233,296.35/2,142.15
6. Step 6: Final answer
   x = 1,976.19