Finding the Fourth Proportional to 14,164.48, 19,546.72 and 7,876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   14,164.48 : 19,546.72 = 7,876.80 : x
2. Step 2: Convert to fraction form
   14,164.48/19,546.72 = 7,876.80/x
3. Step 3: Cross multiply
   14,164.48x = 19,546.72 × 7,876.80
4. Step 4: Simplify right side
   14,164.48x = 153,965,604.10
5. Step 5: Solve for x
   x = 153,965,604.10/14,164.48
6. Step 6: Final answer
   x = 10,869.84