Finding the Fourth Proportional to 1,863.00, 2,570.79 and 1,077.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.00 : 2,570.79 = 1,077.10 : x
2. Step 2: Convert to fraction form
   1,863.00/2,570.79 = 1,077.10/x
3. Step 3: Cross multiply
   1,863.00x = 2,570.79 × 1,077.10
4. Step 4: Simplify right side
   1,863.00x = 2,768,996.04
5. Step 5: Solve for x
   x = 2,768,996.04/1,863.00
6. Step 6: Final answer
   x = 1,486.31