Finding the Fourth Proportional to 3,160.72, 4,741.83 and 1,080.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160.72 : 4,741.83 = 1,080.74 : x
2. Step 2: Convert to fraction form
   3,160.72/4,741.83 = 1,080.74/x
3. Step 3: Cross multiply
   3,160.72x = 4,741.83 × 1,080.74
4. Step 4: Simplify right side
   3,160.72x = 5,124,678.38
5. Step 5: Solve for x
   x = 5,124,678.38/3,160.72
6. Step 6: Final answer
   x = 1,621.37