Finding the Fourth Proportional to 14,068.53, 19,413.81 and 7,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,068.53 : 19,413.81 = 7,780.50 : x
2. Step 2: Convert to fraction form
   14,068.53/19,413.81 = 7,780.50/x
3. Step 3: Cross multiply
   14,068.53x = 19,413.81 × 7,780.50
4. Step 4: Simplify right side
   14,068.53x = 151,049,148.71
5. Step 5: Solve for x
   x = 151,049,148.71/14,068.53
6. Step 6: Final answer
   x = 10,736.67