Finding the Fourth Proportional to 2,541.51, 3,509.33 and 2,042.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.51 : 3,509.33 = 2,042.55 : x
2. Step 2: Convert to fraction form
   2,541.51/3,509.33 = 2,042.55/x
3. Step 3: Cross multiply
   2,541.51x = 3,509.33 × 2,042.55
4. Step 4: Simplify right side
   2,541.51x = 7,167,971.78
5. Step 5: Solve for x
   x = 7,167,971.78/2,541.51
6. Step 6: Final answer
   x = 2,820.36