Finding the Fourth Proportional to 1,858.83, 2,565.22 and 1,112.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.83 : 2,565.22 = 1,112.82 : x
2. Step 2: Convert to fraction form
   1,858.83/2,565.22 = 1,112.82/x
3. Step 3: Cross multiply
   1,858.83x = 2,565.22 × 1,112.82
4. Step 4: Simplify right side
   1,858.83x = 2,854,628.12
5. Step 5: Solve for x
   x = 2,854,628.12/1,858.83
6. Step 6: Final answer
   x = 1,535.71