Finding the Fourth Proportional to 2,053.98, 3,083.40 and 900.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.98 : 3,083.40 = 900.54 : x
2. Step 2: Convert to fraction form
   2,053.98/3,083.40 = 900.54/x
3. Step 3: Cross multiply
   2,053.98x = 3,083.40 × 900.54
4. Step 4: Simplify right side
   2,053.98x = 2,776,725.04
5. Step 5: Solve for x
   x = 2,776,725.04/2,053.98
6. Step 6: Final answer
   x = 1,351.88