Finding the Fourth Proportional to 338,517.56, 467,205.72 and 216,062.84

Step by Step Solution

1. Step 1: Write the proportion equation
   338,517.56 : 467,205.72 = 216,062.84 : x
2. Step 2: Convert to fraction form
   338,517.56/467,205.72 = 216,062.84/x
3. Step 3: Cross multiply
   338,517.56x = 467,205.72 × 216,062.84
4. Step 4: Simplify right side
   338,517.56x = 100,945,794,727.45
5. Step 5: Solve for x
   x = 100,945,794,727.45/338,517.56
6. Step 6: Final answer
   x = 298,199.58