Finding the Fourth Proportional to 2,175.57, 3,257.56 and 1,483.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.57 : 3,257.56 = 1,483.60 : x
2. Step 2: Convert to fraction form
   2,175.57/3,257.56 = 1,483.60/x
3. Step 3: Cross multiply
   2,175.57x = 3,257.56 × 1,483.60
4. Step 4: Simplify right side
   2,175.57x = 4,832,916.02
5. Step 5: Solve for x
   x = 4,832,916.02/2,175.57
6. Step 6: Final answer
   x = 2,221.45