Finding the Fourth Proportional to 13,846.84, 19,109.73 and 7,878.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,846.84 : 19,109.73 = 7,878.76 : x
2. Step 2: Convert to fraction form
   13,846.84/19,109.73 = 7,878.76/x
3. Step 3: Cross multiply
   13,846.84x = 19,109.73 × 7,878.76
4. Step 4: Simplify right side
   13,846.84x = 150,560,976.33
5. Step 5: Solve for x
   x = 150,560,976.33/13,846.84
6. Step 6: Final answer
   x = 10,873.31