Finding the Fourth Proportional to 1,114.20, 1,667.34 and 723.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.20 : 1,667.34 = 723.96 : x
2. Step 2: Convert to fraction form
   1,114.20/1,667.34 = 723.96/x
3. Step 3: Cross multiply
   1,114.20x = 1,667.34 × 723.96
4. Step 4: Simplify right side
   1,114.20x = 1,207,087.47
5. Step 5: Solve for x
   x = 1,207,087.47/1,114.20
6. Step 6: Final answer
   x = 1,083.37