Finding the Fourth Proportional to 282,100.65, 389,196.74 and 185,356.59

Step by Step Solution

1. Step 1: Write the proportion equation
   282,100.65 : 389,196.74 = 185,356.59 : x
2. Step 2: Convert to fraction form
   282,100.65/389,196.74 = 185,356.59/x
3. Step 3: Cross multiply
   282,100.65x = 389,196.74 × 185,356.59
4. Step 4: Simplify right side
   282,100.65x = 72,140,179,638.73
5. Step 5: Solve for x
   x = 72,140,179,638.73/282,100.65
6. Step 6: Final answer
   x = 255,724.97