Finding the Fourth Proportional to 13,845.82, 19,108.56 and 7,878.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,845.82 : 19,108.56 = 7,878.82 : x
2. Step 2: Convert to fraction form
   13,845.82/19,108.56 = 7,878.82/x
3. Step 3: Cross multiply
   13,845.82x = 19,108.56 × 7,878.82
4. Step 4: Simplify right side
   13,845.82x = 150,552,904.70
5. Step 5: Solve for x
   x = 150,552,904.70/13,845.82
6. Step 6: Final answer
   x = 10,873.53