Finding the Fourth Proportional to 14,128.49, 19,498.98 and 7,841.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.49 : 19,498.98 = 7,841.27 : x
2. Step 2: Convert to fraction form
   14,128.49/19,498.98 = 7,841.27/x
3. Step 3: Cross multiply
   14,128.49x = 19,498.98 × 7,841.27
4. Step 4: Simplify right side
   14,128.49x = 152,896,669.41
5. Step 5: Solve for x
   x = 152,896,669.41/14,128.49
6. Step 6: Final answer
   x = 10,821.87