Finding the Fourth Proportional to 1,893.98, 2,613.71 and 1,054.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.98 : 2,613.71 = 1,054.73 : x
2. Step 2: Convert to fraction form
   1,893.98/2,613.71 = 1,054.73/x
3. Step 3: Cross multiply
   1,893.98x = 2,613.71 × 1,054.73
4. Step 4: Simplify right side
   1,893.98x = 2,756,770.45
5. Step 5: Solve for x
   x = 2,756,770.45/1,893.98
6. Step 6: Final answer
   x = 1,455.55