Finding the Fourth Proportional to 14,116.06, 19,481.31 and 7,828.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,116.06 : 19,481.31 = 7,828.30 : x
2. Step 2: Convert to fraction form
   14,116.06/19,481.31 = 7,828.30/x
3. Step 3: Cross multiply
   14,116.06x = 19,481.31 × 7,828.30
4. Step 4: Simplify right side
   14,116.06x = 152,505,539.07
5. Step 5: Solve for x
   x = 152,505,539.07/14,116.06
6. Step 6: Final answer
   x = 10,803.69