Finding the Fourth Proportional to 339,144.48, 468,025.22 and 186,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   339,144.48 : 468,025.22 = 186,196.84 : x
2. Step 2: Convert to fraction form
   339,144.48/468,025.22 = 186,196.84/x
3. Step 3: Cross multiply
   339,144.48x = 468,025.22 × 186,196.84
4. Step 4: Simplify right side
   339,144.48x = 87,144,817,004.30
5. Step 5: Solve for x
   x = 87,144,817,004.30/339,144.48
6. Step 6: Final answer
   x = 256,954.84