Finding the Fourth Proportional to 2,054.34, 3,078.54 and 1,013.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.34 : 3,078.54 = 1,013.22 : x
2. Step 2: Convert to fraction form
   2,054.34/3,078.54 = 1,013.22/x
3. Step 3: Cross multiply
   2,054.34x = 3,078.54 × 1,013.22
4. Step 4: Simplify right side
   2,054.34x = 3,119,238.30
5. Step 5: Solve for x
   x = 3,119,238.30/2,054.34
6. Step 6: Final answer
   x = 1,518.37