Finding the Fourth Proportional to 14,127.50, 19,496.56 and 7,839.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,127.50 : 19,496.56 = 7,839.88 : x
2. Step 2: Convert to fraction form
   14,127.50/19,496.56 = 7,839.88/x
3. Step 3: Cross multiply
   14,127.50x = 19,496.56 × 7,839.88
4. Step 4: Simplify right side
   14,127.50x = 152,850,690.81
5. Step 5: Solve for x
   x = 152,850,690.81/14,127.50
6. Step 6: Final answer
   x = 10,819.37