Finding the Fourth Proportional to 1,856.46, 2,559.56 and 1,325.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.46 : 2,559.56 = 1,325.98 : x
2. Step 2: Convert to fraction form
   1,856.46/2,559.56 = 1,325.98/x
3. Step 3: Cross multiply
   1,856.46x = 2,559.56 × 1,325.98
4. Step 4: Simplify right side
   1,856.46x = 3,393,912.34
5. Step 5: Solve for x
   x = 3,393,912.34/1,856.46
6. Step 6: Final answer
   x = 1,828.16