Finding the Fourth Proportional to 14,013.60, 19,327.83 and 8,978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,013.60 : 19,327.83 = 8,978.29 : x
2. Step 2: Convert to fraction form
   14,013.60/19,327.83 = 8,978.29/x
3. Step 3: Cross multiply
   14,013.60x = 19,327.83 × 8,978.29
4. Step 4: Simplify right side
   14,013.60x = 173,530,862.81
5. Step 5: Solve for x
   x = 173,530,862.81/14,013.60
6. Step 6: Final answer
   x = 12,383.03