Finding the Fourth Proportional to 2,155.15, 3,234.14 and 1,181.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.15 : 3,234.14 = 1,181.93 : x
2. Step 2: Convert to fraction form
   2,155.15/3,234.14 = 1,181.93/x
3. Step 3: Cross multiply
   2,155.15x = 3,234.14 × 1,181.93
4. Step 4: Simplify right side
   2,155.15x = 3,822,533.70
5. Step 5: Solve for x
   x = 3,822,533.70/2,155.15
6. Step 6: Final answer
   x = 1,773.68