Finding the Fourth Proportional to 162,308.10, 243,462.15 and 122,942.10

Step by Step Solution

1. Step 1: Write the proportion equation
   162,308.10 : 243,462.15 = 122,942.10 : x
2. Step 2: Convert to fraction form
   162,308.10/243,462.15 = 122,942.10/x
3. Step 3: Cross multiply
   162,308.10x = 243,462.15 × 122,942.10
4. Step 4: Simplify right side
   162,308.10x = 29,931,747,991.52
5. Step 5: Solve for x
   x = 29,931,747,991.52/162,308.10
6. Step 6: Final answer
   x = 184,413.15