Finding the Fourth Proportional to 2,160.89, 3,241.45 and 1,051.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.89 : 3,241.45 = 1,051.33 : x
2. Step 2: Convert to fraction form
   2,160.89/3,241.45 = 1,051.33/x
3. Step 3: Cross multiply
   2,160.89x = 3,241.45 × 1,051.33
4. Step 4: Simplify right side
   2,160.89x = 3,407,832.92
5. Step 5: Solve for x
   x = 3,407,832.92/2,160.89
6. Step 6: Final answer
   x = 1,577.05