Finding the Fourth Proportional to 2,055.16, 3,081.60 and 1,406.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.16 : 3,081.60 = 1,406.68 : x
2. Step 2: Convert to fraction form
   2,055.16/3,081.60 = 1,406.68/x
3. Step 3: Cross multiply
   2,055.16x = 3,081.60 × 1,406.68
4. Step 4: Simplify right side
   2,055.16x = 4,334,825.09
5. Step 5: Solve for x
   x = 4,334,825.09/2,055.16
6. Step 6: Final answer
   x = 2,109.24