Finding the Fourth Proportional to 3,160.55, 4,741.56 and 1,080.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160.55 : 4,741.56 = 1,080.57 : x
2. Step 2: Convert to fraction form
   3,160.55/4,741.56 = 1,080.57/x
3. Step 3: Cross multiply
   3,160.55x = 4,741.56 × 1,080.57
4. Step 4: Simplify right side
   3,160.55x = 5,123,558.38
5. Step 5: Solve for x
   x = 5,123,558.38/3,160.55
6. Step 6: Final answer
   x = 1,621.10