Finding the Fourth Proportional to 2,771.49, 3,820.59 and 1,984.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,771.49 : 3,820.59 = 1,984.17 : x
2. Step 2: Convert to fraction form
   2,771.49/3,820.59 = 1,984.17/x
3. Step 3: Cross multiply
   2,771.49x = 3,820.59 × 1,984.17
4. Step 4: Simplify right side
   2,771.49x = 7,580,700.06
5. Step 5: Solve for x
   x = 7,580,700.06/2,771.49
6. Step 6: Final answer
   x = 2,735.24