Finding the Fourth Proportional to 1,856.05, 2,559.56 and 1,437.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.05 : 2,559.56 = 1,437.30 : x
2. Step 2: Convert to fraction form
   1,856.05/2,559.56 = 1,437.30/x
3. Step 3: Cross multiply
   1,856.05x = 2,559.56 × 1,437.30
4. Step 4: Simplify right side
   1,856.05x = 3,678,848.40
5. Step 5: Solve for x
   x = 3,678,848.40/1,856.05
6. Step 6: Final answer
   x = 1,982.09