Finding the Fourth Proportional to 228,579.42, 342,998.76 and 123,396.06

Step by Step Solution

1. Step 1: Write the proportion equation
   228,579.42 : 342,998.76 = 123,396.06 : x
2. Step 2: Convert to fraction form
   228,579.42/342,998.76 = 123,396.06/x
3. Step 3: Cross multiply
   228,579.42x = 342,998.76 × 123,396.06
4. Step 4: Simplify right side
   228,579.42x = 42,324,695,568.89
5. Step 5: Solve for x
   x = 42,324,695,568.89/228,579.42
6. Step 6: Final answer
   x = 185,164.07