Finding the Fourth Proportional to 282,150.94, 389,373.06 and 154,838.38

Step by Step Solution

1. Step 1: Write the proportion equation
   282,150.94 : 389,373.06 = 154,838.38 : x
2. Step 2: Convert to fraction form
   282,150.94/389,373.06 = 154,838.38/x
3. Step 3: Cross multiply
   282,150.94x = 389,373.06 × 154,838.38
4. Step 4: Simplify right side
   282,150.94x = 60,289,893,826.04
5. Step 5: Solve for x
   x = 60,289,893,826.04/282,150.94
6. Step 6: Final answer
   x = 213,679.58