Finding the Fourth Proportional to 3,454.41, 5,181.47 and 1,114.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,454.41 : 5,181.47 = 1,114.55 : x
2. Step 2: Convert to fraction form
   3,454.41/5,181.47 = 1,114.55/x
3. Step 3: Cross multiply
   3,454.41x = 5,181.47 × 1,114.55
4. Step 4: Simplify right side
   3,454.41x = 5,775,007.39
5. Step 5: Solve for x
   x = 5,775,007.39/3,454.41
6. Step 6: Final answer
   x = 1,671.78