Finding the Fourth Proportional to 1,893.33, 2,612.78 and 1,054.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,893.33 : 2,612.78 = 1,054.10 : x
2. Step 2: Convert to fraction form
   1,893.33/2,612.78 = 1,054.10/x
3. Step 3: Cross multiply
   1,893.33x = 2,612.78 × 1,054.10
4. Step 4: Simplify right side
   1,893.33x = 2,754,131.40
5. Step 5: Solve for x
   x = 2,754,131.40/1,893.33
6. Step 6: Final answer
   x = 1,454.65