Finding the Fourth Proportional to 2,475.18, 3,710.61 and 1,013.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.18 : 3,710.61 = 1,013.31 : x
2. Step 2: Convert to fraction form
   2,475.18/3,710.61 = 1,013.31/x
3. Step 3: Cross multiply
   2,475.18x = 3,710.61 × 1,013.31
4. Step 4: Simplify right side
   2,475.18x = 3,759,998.22
5. Step 5: Solve for x
   x = 3,759,998.22/2,475.18
6. Step 6: Final answer
   x = 1,519.08