Finding the Fourth Proportional to 1,894.89, 2,840.97 and 1,277.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.89 : 2,840.97 = 1,277.07 : x
2. Step 2: Convert to fraction form
   1,894.89/2,840.97 = 1,277.07/x
3. Step 3: Cross multiply
   1,894.89x = 2,840.97 × 1,277.07
4. Step 4: Simplify right side
   1,894.89x = 3,628,111.69
5. Step 5: Solve for x
   x = 3,628,111.69/1,894.89
6. Step 6: Final answer
   x = 1,914.68