Finding the Fourth Proportional to 339,825.78, 468,971.37 and 186,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   339,825.78 : 468,971.37 = 186,870.24 : x
2. Step 2: Convert to fraction form
   339,825.78/468,971.37 = 186,870.24/x
3. Step 3: Cross multiply
   339,825.78x = 468,971.37 × 186,870.24
4. Step 4: Simplify right side
   339,825.78x = 87,636,792,465.03
5. Step 5: Solve for x
   x = 87,636,792,465.03/339,825.78
6. Step 6: Final answer
   x = 257,887.42