Finding the Fourth Proportional to 1,581,054.82, 2,181,856.39 and 855,902.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,054.82 : 2,181,856.39 = 855,902.54 : x
2. Step 2: Convert to fraction form
   1,581,054.82/2,181,856.39 = 855,902.54/x
3. Step 3: Cross multiply
   1,581,054.82x = 2,181,856.39 × 855,902.54
4. Step 4: Simplify right side
   1,581,054.82x = 1,867,456,429,431.12
5. Step 5: Solve for x
   x = 1,867,456,429,431.12/1,581,054.82
6. Step 6: Final answer
   x = 1,181,145.91