Finding the Fourth Proportional to 1,874.38, 2,808.83 and 1,054.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.38 : 2,808.83 = 1,054.25 : x
2. Step 2: Convert to fraction form
   1,874.38/2,808.83 = 1,054.25/x
3. Step 3: Cross multiply
   1,874.38x = 2,808.83 × 1,054.25
4. Step 4: Simplify right side
   1,874.38x = 2,961,209.47
5. Step 5: Solve for x
   x = 2,961,209.47/1,874.38
6. Step 6: Final answer
   x = 1,579.84