Finding the Fourth Proportional to 2,660.72, 3,672.68 and 1,541.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.72 : 3,672.68 = 1,541.92 : x
2. Step 2: Convert to fraction form
   2,660.72/3,672.68 = 1,541.92/x
3. Step 3: Cross multiply
   2,660.72x = 3,672.68 × 1,541.92
4. Step 4: Simplify right side
   2,660.72x = 5,662,978.75
5. Step 5: Solve for x
   x = 5,662,978.75/2,660.72
6. Step 6: Final answer
   x = 2,128.36