Finding the Fourth Proportional to 2,054.42, 3,081.56 and 900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.42 : 3,081.56 = 900.18 : x
2. Step 2: Convert to fraction form
   2,054.42/3,081.56 = 900.18/x
3. Step 3: Cross multiply
   2,054.42x = 3,081.56 × 900.18
4. Step 4: Simplify right side
   2,054.42x = 2,773,958.68
5. Step 5: Solve for x
   x = 2,773,958.68/2,054.42
6. Step 6: Final answer
   x = 1,350.24