Finding the Fourth Proportional to 339,304, 468,258.96 and 188,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   339,304 : 468,258.96 = 188,410.72 : x
2. Step 2: Convert to fraction form
   339,304/468,258.96 = 188,410.72/x
3. Step 3: Cross multiply
   339,304x = 468,258.96 × 188,410.72
4. Step 4: Simplify right side
   339,304x = 88,225,007,800.05
5. Step 5: Solve for x
   x = 88,225,007,800.05/339,304
6. Step 6: Final answer
   x = 260,017.59