Finding the Fourth Proportional to 1,858.76, 2,565.23 and 1,072.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858.76 : 2,565.23 = 1,072.83 : x
2. Step 2: Convert to fraction form
   1,858.76/2,565.23 = 1,072.83/x
3. Step 3: Cross multiply
   1,858.76x = 2,565.23 × 1,072.83
4. Step 4: Simplify right side
   1,858.76x = 2,752,050.34
5. Step 5: Solve for x
   x = 2,752,050.34/1,858.76
6. Step 6: Final answer
   x = 1,480.59