Finding the Fourth Proportional to 2,518.38, 3,774.87 and 1,347.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.38 : 3,774.87 = 1,347.57 : x
2. Step 2: Convert to fraction form
   2,518.38/3,774.87 = 1,347.57/x
3. Step 3: Cross multiply
   2,518.38x = 3,774.87 × 1,347.57
4. Step 4: Simplify right side
   2,518.38x = 5,086,901.57
5. Step 5: Solve for x
   x = 5,086,901.57/2,518.38
6. Step 6: Final answer
   x = 2,019.91