Finding the Fourth Proportional to 2,054.38, 3,080.22 and 885.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.38 : 3,080.22 = 885.10 : x
2. Step 2: Convert to fraction form
   2,054.38/3,080.22 = 885.10/x
3. Step 3: Cross multiply
   2,054.38x = 3,080.22 × 885.10
4. Step 4: Simplify right side
   2,054.38x = 2,726,302.72
5. Step 5: Solve for x
   x = 2,726,302.72/2,054.38
6. Step 6: Final answer
   x = 1,327.07