Finding the Fourth Proportional to 2,513.95, 3,759.59 and 1,921.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.95 : 3,759.59 = 1,921.14 : x
2. Step 2: Convert to fraction form
   2,513.95/3,759.59 = 1,921.14/x
3. Step 3: Cross multiply
   2,513.95x = 3,759.59 × 1,921.14
4. Step 4: Simplify right side
   2,513.95x = 7,222,698.73
5. Step 5: Solve for x
   x = 7,222,698.73/2,513.95
6. Step 6: Final answer
   x = 2,873.05