Finding the Fourth Proportional to 1,855.23, 2,555.82 and 1,294.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.23 : 2,555.82 = 1,294.71 : x
2. Step 2: Convert to fraction form
   1,855.23/2,555.82 = 1,294.71/x
3. Step 3: Cross multiply
   1,855.23x = 2,555.82 × 1,294.71
4. Step 4: Simplify right side
   1,855.23x = 3,309,036.13
5. Step 5: Solve for x
   x = 3,309,036.13/1,855.23
6. Step 6: Final answer
   x = 1,783.63