Finding the Fourth Proportional to 3,671.75, 5,507.90 and 1,074.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.75 : 5,507.90 = 1,074.89 : x
2. Step 2: Convert to fraction form
   3,671.75/5,507.90 = 1,074.89/x
3. Step 3: Cross multiply
   3,671.75x = 5,507.90 × 1,074.89
4. Step 4: Simplify right side
   3,671.75x = 5,920,353.72
5. Step 5: Solve for x
   x = 5,920,353.72/3,671.75
6. Step 6: Final answer
   x = 1,612.41