Finding the Fourth Proportional to 2,155.05, 3,224.34 and 1,181.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.05 : 3,224.34 = 1,181.84 : x
2. Step 2: Convert to fraction form
   2,155.05/3,224.34 = 1,181.84/x
3. Step 3: Cross multiply
   2,155.05x = 3,224.34 × 1,181.84
4. Step 4: Simplify right side
   2,155.05x = 3,810,637.86
5. Step 5: Solve for x
   x = 3,810,637.86/2,155.05
6. Step 6: Final answer
   x = 1,768.24