Finding the Fourth Proportional to 108,162, 162,243 and 34,290

Step by Step Solution

1. Step 1: Write the proportion equation
   108,162 : 162,243 = 34,290 : x
2. Step 2: Convert to fraction form
   108,162/162,243 = 34,290/x
3. Step 3: Cross multiply
   108,162x = 162,243 × 34,290
4. Step 4: Simplify right side
   108,162x = 5,563,312,470
5. Step 5: Solve for x
   x = 5,563,312,470/108,162
6. Step 6: Final answer
   x = 51,435