Finding the Fourth Proportional to 2,054.84, 2,835.79 and 1,216.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.84 : 2,835.79 = 1,216.03 : x
2. Step 2: Convert to fraction form
   2,054.84/2,835.79 = 1,216.03/x
3. Step 3: Cross multiply
   2,054.84x = 2,835.79 × 1,216.03
4. Step 4: Simplify right side
   2,054.84x = 3,448,395.58
5. Step 5: Solve for x
   x = 3,448,395.58/2,054.84
6. Step 6: Final answer
   x = 1,678.18