Finding the Fourth Proportional to 282,917.94, 390,427.83 and 155,601.54

Step by Step Solution

1. Step 1: Write the proportion equation
   282,917.94 : 390,427.83 = 155,601.54 : x
2. Step 2: Convert to fraction form
   282,917.94/390,427.83 = 155,601.54/x
3. Step 3: Cross multiply
   282,917.94x = 390,427.83 × 155,601.54
4. Step 4: Simplify right side
   282,917.94x = 60,751,171,606.86
5. Step 5: Solve for x
   x = 60,751,171,606.86/282,917.94
6. Step 6: Final answer
   x = 214,730.72