Finding the Fourth Proportional to 13,848.06, 19,109.60 and 7,879.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.06 : 19,109.60 = 7,879.62 : x
2. Step 2: Convert to fraction form
   13,848.06/19,109.60 = 7,879.62/x
3. Step 3: Cross multiply
   13,848.06x = 19,109.60 × 7,879.62
4. Step 4: Simplify right side
   13,848.06x = 150,576,386.35
5. Step 5: Solve for x
   x = 150,576,386.35/13,848.06
6. Step 6: Final answer
   x = 10,873.46