Finding the Fourth Proportional to 1,667.82, 2,502.45 and 936.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.82 : 2,502.45 = 936.30 : x
2. Step 2: Convert to fraction form
   1,667.82/2,502.45 = 936.30/x
3. Step 3: Cross multiply
   1,667.82x = 2,502.45 × 936.30
4. Step 4: Simplify right side
   1,667.82x = 2,343,043.94
5. Step 5: Solve for x
   x = 2,343,043.94/1,667.82
6. Step 6: Final answer
   x = 1,404.85