Finding the Fourth Proportional to 383,667.84, 575,667.56 and 205,967.32

Step by Step Solution

1. Step 1: Write the proportion equation
   383,667.84 : 575,667.56 = 205,967.32 : x
2. Step 2: Convert to fraction form
   383,667.84/575,667.56 = 205,967.32/x
3. Step 3: Cross multiply
   383,667.84x = 575,667.56 × 205,967.32
4. Step 4: Simplify right side
   383,667.84x = 118,568,704,544.14
5. Step 5: Solve for x
   x = 118,568,704,544.14/383,667.84
6. Step 6: Final answer
   x = 309,039.99