Finding the Fourth Proportional to 2,518.39, 3,774.24 and 1,131.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.39 : 3,774.24 = 1,131.47 : x
2. Step 2: Convert to fraction form
   2,518.39/3,774.24 = 1,131.47/x
3. Step 3: Cross multiply
   2,518.39x = 3,774.24 × 1,131.47
4. Step 4: Simplify right side
   2,518.39x = 4,270,439.33
5. Step 5: Solve for x
   x = 4,270,439.33/2,518.39
6. Step 6: Final answer
   x = 1,695.70