Finding the Fourth Proportional to 242,673.08, 362,111.18 and 217,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   242,673.08 : 362,111.18 = 217,456.34 : x
2. Step 2: Convert to fraction form
   242,673.08/362,111.18 = 217,456.34/x
3. Step 3: Cross multiply
   242,673.08x = 362,111.18 × 217,456.34
4. Step 4: Simplify right side
   242,673.08x = 78,743,368,978.04
5. Step 5: Solve for x
   x = 78,743,368,978.04/242,673.08
6. Step 6: Final answer
   x = 324,483.34