Finding the Fourth Proportional to 2,093.80, 3,142.43 and 1,054.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.80 : 3,142.43 = 1,054.10 : x
2. Step 2: Convert to fraction form
   2,093.80/3,142.43 = 1,054.10/x
3. Step 3: Cross multiply
   2,093.80x = 3,142.43 × 1,054.10
4. Step 4: Simplify right side
   2,093.80x = 3,312,435.46
5. Step 5: Solve for x
   x = 3,312,435.46/2,093.80
6. Step 6: Final answer
   x = 1,582.02