Finding the Fourth Proportional to 14,253.35, 19,667.91 and 7,879.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,253.35 : 19,667.91 = 7,879.08 : x
2. Step 2: Convert to fraction form
   14,253.35/19,667.91 = 7,879.08/x
3. Step 3: Cross multiply
   14,253.35x = 19,667.91 × 7,879.08
4. Step 4: Simplify right side
   14,253.35x = 154,965,036.32
5. Step 5: Solve for x
   x = 154,965,036.32/14,253.35
6. Step 6: Final answer
   x = 10,872.19