Finding the Fourth Proportional to 1,893.82, 2,613.46 and 1,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.82 : 2,613.46 = 1,054.50 : x
2. Step 2: Convert to fraction form
   1,893.82/2,613.46 = 1,054.50/x
3. Step 3: Cross multiply
   1,893.82x = 2,613.46 × 1,054.50
4. Step 4: Simplify right side
   1,893.82x = 2,755,893.57
5. Step 5: Solve for x
   x = 2,755,893.57/1,893.82
6. Step 6: Final answer
   x = 1,455.20