Finding the Fourth Proportional to 13,923.62, 19,212.82 and 7,955.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.62 : 19,212.82 = 7,955.67 : x
2. Step 2: Convert to fraction form
   13,923.62/19,212.82 = 7,955.67/x
3. Step 3: Cross multiply
   13,923.62x = 19,212.82 × 7,955.67
4. Step 4: Simplify right side
   13,923.62x = 152,850,873.89
5. Step 5: Solve for x
   x = 152,850,873.89/13,923.62
6. Step 6: Final answer
   x = 10,977.81