Finding the Fourth Proportional to 1,894.35, 2,613.89 and 1,055.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.35 : 2,613.89 = 1,055.03 : x
2. Step 2: Convert to fraction form
   1,894.35/2,613.89 = 1,055.03/x
3. Step 3: Cross multiply
   1,894.35x = 2,613.89 × 1,055.03
4. Step 4: Simplify right side
   1,894.35x = 2,757,732.37
5. Step 5: Solve for x
   x = 2,757,732.37/1,894.35
6. Step 6: Final answer
   x = 1,455.77