Finding the Fourth Proportional to 14,116.16, 19,481.72 and 7,829.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,116.16 : 19,481.72 = 7,829.72 : x
2. Step 2: Convert to fraction form
   14,116.16/19,481.72 = 7,829.72/x
3. Step 3: Cross multiply
   14,116.16x = 19,481.72 × 7,829.72
4. Step 4: Simplify right side
   14,116.16x = 152,536,412.72
5. Step 5: Solve for x
   x = 152,536,412.72/14,116.16
6. Step 6: Final answer
   x = 10,805.80