Finding the Fourth Proportional to 12,672.27, 19,026.86 and 8,994.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.27 : 19,026.86 = 8,994.02 : x
2. Step 2: Convert to fraction form
   12,672.27/19,026.86 = 8,994.02/x
3. Step 3: Cross multiply
   12,672.27x = 19,026.86 × 8,994.02
4. Step 4: Simplify right side
   12,672.27x = 171,127,819.27
5. Step 5: Solve for x
   x = 171,127,819.27/12,672.27
6. Step 6: Final answer
   x = 13,504.12