Finding the Fourth Proportional to 14,072.76, 19,419.55 and 7,698.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,072.76 : 19,419.55 = 7,698.15 : x
2. Step 2: Convert to fraction form
   14,072.76/19,419.55 = 7,698.15/x
3. Step 3: Cross multiply
   14,072.76x = 19,419.55 × 7,698.15
4. Step 4: Simplify right side
   14,072.76x = 149,494,608.83
5. Step 5: Solve for x
   x = 149,494,608.83/14,072.76
6. Step 6: Final answer
   x = 10,622.98