Finding the Fourth Proportional to 2,574.45, 3,858.84 and 1,013.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.45 : 3,858.84 = 1,013.04 : x
2. Step 2: Convert to fraction form
   2,574.45/3,858.84 = 1,013.04/x
3. Step 3: Cross multiply
   2,574.45x = 3,858.84 × 1,013.04
4. Step 4: Simplify right side
   2,574.45x = 3,909,159.27
5. Step 5: Solve for x
   x = 3,909,159.27/2,574.45
6. Step 6: Final answer
   x = 1,518.44