Finding the Fourth Proportional to 209,085.69, 313,647.98 and 59,329.65

Step by Step Solution

1. Step 1: Write the proportion equation
   209,085.69 : 313,647.98 = 59,329.65 : x
2. Step 2: Convert to fraction form
   209,085.69/313,647.98 = 59,329.65/x
3. Step 3: Cross multiply
   209,085.69x = 313,647.98 × 59,329.65
4. Step 4: Simplify right side
   209,085.69x = 18,608,624,876.61
5. Step 5: Solve for x
   x = 18,608,624,876.61/209,085.69
6. Step 6: Final answer
   x = 88,999.99