Finding the Fourth Proportional to 2,142.82, 2,952.36 and 1,787.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142.82 : 2,952.36 = 1,787.46 : x
2. Step 2: Convert to fraction form
   2,142.82/2,952.36 = 1,787.46/x
3. Step 3: Cross multiply
   2,142.82x = 2,952.36 × 1,787.46
4. Step 4: Simplify right side
   2,142.82x = 5,277,225.41
5. Step 5: Solve for x
   x = 5,277,225.41/2,142.82
6. Step 6: Final answer
   x = 2,462.75