Finding the Fourth Proportional to 14,129.31, 19,499.36 and 7,841.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,129.31 : 19,499.36 = 7,841.69 : x
2. Step 2: Convert to fraction form
   14,129.31/19,499.36 = 7,841.69/x
3. Step 3: Cross multiply
   14,129.31x = 19,499.36 × 7,841.69
4. Step 4: Simplify right side
   14,129.31x = 152,907,936.32
5. Step 5: Solve for x
   x = 152,907,936.32/14,129.31
6. Step 6: Final answer
   x = 10,822.04