Finding the Fourth Proportional to 1,928.34, 2,660.31 and 1,142.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.34 : 2,660.31 = 1,142.37 : x
2. Step 2: Convert to fraction form
   1,928.34/2,660.31 = 1,142.37/x
3. Step 3: Cross multiply
   1,928.34x = 2,660.31 × 1,142.37
4. Step 4: Simplify right side
   1,928.34x = 3,039,058.33
5. Step 5: Solve for x
   x = 3,039,058.33/1,928.34
6. Step 6: Final answer
   x = 1,576.00