Finding the Fourth Proportional to 2,660.55, 3,671.31 and 1,541.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.55 : 3,671.31 = 1,541.53 : x
2. Step 2: Convert to fraction form
   2,660.55/3,671.31 = 1,541.53/x
3. Step 3: Cross multiply
   2,660.55x = 3,671.31 × 1,541.53
4. Step 4: Simplify right side
   2,660.55x = 5,659,434.50
5. Step 5: Solve for x
   x = 5,659,434.50/2,660.55
6. Step 6: Final answer
   x = 2,127.17