Finding the Fourth Proportional to 1,667.82, 2,301.56 and 1,078.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.82 : 2,301.56 = 1,078.34 : x
2. Step 2: Convert to fraction form
   1,667.82/2,301.56 = 1,078.34/x
3. Step 3: Cross multiply
   1,667.82x = 2,301.56 × 1,078.34
4. Step 4: Simplify right side
   1,667.82x = 2,481,864.21
5. Step 5: Solve for x
   x = 2,481,864.21/1,667.82
6. Step 6: Final answer
   x = 1,488.09