Finding the Fourth Proportional to 2,055.51, 3,081.21 and 1,013.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.51 : 3,081.21 = 1,013.96 : x
2. Step 2: Convert to fraction form
   2,055.51/3,081.21 = 1,013.96/x
3. Step 3: Cross multiply
   2,055.51x = 3,081.21 × 1,013.96
4. Step 4: Simplify right side
   2,055.51x = 3,124,208.29
5. Step 5: Solve for x
   x = 3,124,208.29/2,055.51
6. Step 6: Final answer
   x = 1,519.92