Finding the Fourth Proportional to 215,062.58, 322,354.83 and 162,300.98

Step by Step Solution

1. Step 1: Write the proportion equation
   215,062.58 : 322,354.83 = 162,300.98 : x
2. Step 2: Convert to fraction form
   215,062.58/322,354.83 = 162,300.98/x
3. Step 3: Cross multiply
   215,062.58x = 322,354.83 × 162,300.98
4. Step 4: Simplify right side
   215,062.58x = 52,318,504,816.73
5. Step 5: Solve for x
   x = 52,318,504,816.73/215,062.58
6. Step 6: Final answer
   x = 243,271.07