Finding the Fourth Proportional to 283,667.82, 391,456.42 and 154,607.41

Step by Step Solution

1. Step 1: Write the proportion equation
   283,667.82 : 391,456.42 = 154,607.41 : x
2. Step 2: Convert to fraction form
   283,667.82/391,456.42 = 154,607.41/x
3. Step 3: Cross multiply
   283,667.82x = 391,456.42 × 154,607.41
4. Step 4: Simplify right side
   283,667.82x = 60,522,063,224.07
5. Step 5: Solve for x
   x = 60,522,063,224.07/283,667.82
6. Step 6: Final answer
   x = 213,355.41