Finding the Fourth Proportional to 2,664.47, 3,997.25 and 934.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.47 : 3,997.25 = 934.31 : x
2. Step 2: Convert to fraction form
   2,664.47/3,997.25 = 934.31/x
3. Step 3: Cross multiply
   2,664.47x = 3,997.25 × 934.31
4. Step 4: Simplify right side
   2,664.47x = 3,734,670.65
5. Step 5: Solve for x
   x = 3,734,670.65/2,664.47
6. Step 6: Final answer
   x = 1,401.66