Finding the Fourth Proportional to 14,127.98, 19,496.43 and 7,840.22

Step by Step Solution

1. Step 1: Write the proportion equation
   14,127.98 : 19,496.43 = 7,840.22 : x
2. Step 2: Convert to fraction form
   14,127.98/19,496.43 = 7,840.22/x
3. Step 3: Cross multiply
   14,127.98x = 19,496.43 × 7,840.22
4. Step 4: Simplify right side
   14,127.98x = 152,856,300.41
5. Step 5: Solve for x
   x = 152,856,300.41/14,127.98
6. Step 6: Final answer
   x = 10,819.40