Finding the Fourth Proportional to 2,720.78, 3,754.55 and 1,541.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,720.78 : 3,754.55 = 1,541.82 : x
2. Step 2: Convert to fraction form
   2,720.78/3,754.55 = 1,541.82/x
3. Step 3: Cross multiply
   2,720.78x = 3,754.55 × 1,541.82
4. Step 4: Simplify right side
   2,720.78x = 5,788,832.57
5. Step 5: Solve for x
   x = 5,788,832.57/2,720.78
6. Step 6: Final answer
   x = 2,127.64