Finding the Fourth Proportional to 2,666.72, 4,000.69 and 1,023.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.72 : 4,000.69 = 1,023.23 : x
2. Step 2: Convert to fraction form
   2,666.72/4,000.69 = 1,023.23/x
3. Step 3: Cross multiply
   2,666.72x = 4,000.69 × 1,023.23
4. Step 4: Simplify right side
   2,666.72x = 4,093,637.31
5. Step 5: Solve for x
   x = 4,093,637.31/2,666.72
6. Step 6: Final answer
   x = 1,535.08