Finding the Fourth Proportional to 2,912.67, 4,369.50 and 1,066.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912.67 : 4,369.50 = 1,066.37 : x
2. Step 2: Convert to fraction form
   2,912.67/4,369.50 = 1,066.37/x
3. Step 3: Cross multiply
   2,912.67x = 4,369.50 × 1,066.37
4. Step 4: Simplify right side
   2,912.67x = 4,659,481.87
5. Step 5: Solve for x
   x = 4,659,481.87/2,912.67
6. Step 6: Final answer
   x = 1,599.73