Finding the Fourth Proportional to 14,128.83, 19,498.46 and 7,841.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.83 : 19,498.46 = 7,841.25 : x
2. Step 2: Convert to fraction form
   14,128.83/19,498.46 = 7,841.25/x
3. Step 3: Cross multiply
   14,128.83x = 19,498.46 × 7,841.25
4. Step 4: Simplify right side
   14,128.83x = 152,892,260.27
5. Step 5: Solve for x
   x = 152,892,260.27/14,128.83
6. Step 6: Final answer
   x = 10,821.30