Finding the Fourth Proportional to 2,664.32, 3,997.01 and 932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.32 : 3,997.01 = 932.72 : x
2. Step 2: Convert to fraction form
   2,664.32/3,997.01 = 932.72/x
3. Step 3: Cross multiply
   2,664.32x = 3,997.01 × 932.72
4. Step 4: Simplify right side
   2,664.32x = 3,728,073.51
5. Step 5: Solve for x
   x = 3,728,073.51/2,664.32
6. Step 6: Final answer
   x = 1,399.26