Finding the Fourth Proportional to 2,664.86, 3,997.31 and 933.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.86 : 3,997.31 = 933.48 : x
2. Step 2: Convert to fraction form
   2,664.86/3,997.31 = 933.48/x
3. Step 3: Cross multiply
   2,664.86x = 3,997.31 × 933.48
4. Step 4: Simplify right side
   2,664.86x = 3,731,404.27
5. Step 5: Solve for x
   x = 3,731,404.27/2,664.86
6. Step 6: Final answer
   x = 1,400.23