Finding the Fourth Proportional to 2,055.68, 3,084.89 and 1,918.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.68 : 3,084.89 = 1,918.99 : x
2. Step 2: Convert to fraction form
   2,055.68/3,084.89 = 1,918.99/x
3. Step 3: Cross multiply
   2,055.68x = 3,084.89 × 1,918.99
4. Step 4: Simplify right side
   2,055.68x = 5,919,867.32
5. Step 5: Solve for x
   x = 5,919,867.32/2,055.68
6. Step 6: Final answer
   x = 2,879.76