Finding the Fourth Proportional to 12,517.69, 18,783.46 and 5,127.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,517.69 : 18,783.46 = 5,127.34 : x
2. Step 2: Convert to fraction form
   12,517.69/18,783.46 = 5,127.34/x
3. Step 3: Cross multiply
   12,517.69x = 18,783.46 × 5,127.34
4. Step 4: Simplify right side
   12,517.69x = 96,309,185.80
5. Step 5: Solve for x
   x = 96,309,185.80/12,517.69
6. Step 6: Final answer
   x = 7,693.85