Finding the Fourth Proportional to 14,483.06, 19,984.86 and 8,109.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,483.06 : 19,984.86 = 8,109.15 : x
2. Step 2: Convert to fraction form
   14,483.06/19,984.86 = 8,109.15/x
3. Step 3: Cross multiply
   14,483.06x = 19,984.86 × 8,109.15
4. Step 4: Simplify right side
   14,483.06x = 162,060,127.54
5. Step 5: Solve for x
   x = 162,060,127.54/14,483.06
6. Step 6: Final answer
   x = 11,189.64