Finding the Fourth Proportional to 3,671.60, 5,505.42 and 1,822.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.60 : 5,505.42 = 1,822.10 : x
2. Step 2: Convert to fraction form
   3,671.60/5,505.42 = 1,822.10/x
3. Step 3: Cross multiply
   3,671.60x = 5,505.42 × 1,822.10
4. Step 4: Simplify right side
   3,671.60x = 10,031,425.78
5. Step 5: Solve for x
   x = 10,031,425.78/3,671.60
6. Step 6: Final answer
   x = 2,732.17