Finding the Fourth Proportional to 3,997.82, 5,991.44 and 2,123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,997.82 : 5,991.44 = 2,123.33 : x
2. Step 2: Convert to fraction form
   3,997.82/5,991.44 = 2,123.33/x
3. Step 3: Cross multiply
   3,997.82x = 5,991.44 × 2,123.33
4. Step 4: Simplify right side
   3,997.82x = 12,721,763.72
5. Step 5: Solve for x
   x = 12,721,763.72/3,997.82
6. Step 6: Final answer
   x = 3,182.17