Finding the Fourth Proportional to 123,069.78, 184,608.72 and 34,315.79

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069.78 : 184,608.72 = 34,315.79 : x
2. Step 2: Convert to fraction form
   123,069.78/184,608.72 = 34,315.79/x
3. Step 3: Cross multiply
   123,069.78x = 184,608.72 × 34,315.79
4. Step 4: Simplify right side
   123,069.78x = 6,334,993,144.65
5. Step 5: Solve for x
   x = 6,334,993,144.65/123,069.78
6. Step 6: Final answer
   x = 51,474.81