Finding the Fourth Proportional to 312,171.41, 468,067.50 and 122,404.42

Step by Step Solution

1. Step 1: Write the proportion equation
   312,171.41 : 468,067.50 = 122,404.42 : x
2. Step 2: Convert to fraction form
   312,171.41/468,067.50 = 122,404.42/x
3. Step 3: Cross multiply
   312,171.41x = 468,067.50 × 122,404.42
4. Step 4: Simplify right side
   312,171.41x = 57,293,531,443.43
5. Step 5: Solve for x
   x = 57,293,531,443.43/312,171.41
6. Step 6: Final answer
   x = 183,532.28