Finding the Fourth Proportional to 3,111.50, 4,667.34 and 803

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.50 : 4,667.34 = 803 : x
2. Step 2: Convert to fraction form
   3,111.50/4,667.34 = 803/x
3. Step 3: Cross multiply
   3,111.50x = 4,667.34 × 803
4. Step 4: Simplify right side
   3,111.50x = 3,747,874.02
5. Step 5: Solve for x
   x = 3,747,874.02/3,111.50
6. Step 6: Final answer
   x = 1,204.52