Finding the Fourth Proportional to 14,443.53, 19,929.82 and 8,155.77

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.53 : 19,929.82 = 8,155.77 : x
2. Step 2: Convert to fraction form
   14,443.53/19,929.82 = 8,155.77/x
3. Step 3: Cross multiply
   14,443.53x = 19,929.82 × 8,155.77
4. Step 4: Simplify right side
   14,443.53x = 162,543,028.06
5. Step 5: Solve for x
   x = 162,543,028.06/14,443.53
6. Step 6: Final answer
   x = 11,253.69