Finding the Fourth Proportional to 339,330, 468,294.84 and 188,436.72

Step by Step Solution

1. Step 1: Write the proportion equation
   339,330 : 468,294.84 = 188,436.72 : x
2. Step 2: Convert to fraction form
   339,330/468,294.84 = 188,436.72/x
3. Step 3: Cross multiply
   339,330x = 468,294.84 × 188,436.72
4. Step 4: Simplify right side
   339,330x = 88,243,943,642.52
5. Step 5: Solve for x
   x = 88,243,943,642.52/339,330
6. Step 6: Final answer
   x = 260,053.47