Finding the Fourth Proportional to 1,854.56, 2,779.25 and 1,230.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.56 : 2,779.25 = 1,230.59 : x
2. Step 2: Convert to fraction form
   1,854.56/2,779.25 = 1,230.59/x
3. Step 3: Cross multiply
   1,854.56x = 2,779.25 × 1,230.59
4. Step 4: Simplify right side
   1,854.56x = 3,420,111.10
5. Step 5: Solve for x
   x = 3,420,111.10/1,854.56
6. Step 6: Final answer
   x = 1,844.16