Finding the Fourth Proportional to 2,667.84, 4,003.53 and 936.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.84 : 4,003.53 = 936.46 : x
2. Step 2: Convert to fraction form
   2,667.84/4,003.53 = 936.46/x
3. Step 3: Cross multiply
   2,667.84x = 4,003.53 × 936.46
4. Step 4: Simplify right side
   2,667.84x = 3,749,145.70
5. Step 5: Solve for x
   x = 3,749,145.70/2,667.84
6. Step 6: Final answer
   x = 1,405.31