Finding the Fourth Proportional to 8,150.72, 12,226.12 and 1,994.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.72 : 12,226.12 = 1,994.72 : x
2. Step 2: Convert to fraction form
   8,150.72/12,226.12 = 1,994.72/x
3. Step 3: Cross multiply
   8,150.72x = 12,226.12 × 1,994.72
4. Step 4: Simplify right side
   8,150.72x = 24,387,686.09
5. Step 5: Solve for x
   x = 24,387,686.09/8,150.72
6. Step 6: Final answer
   x = 2,992.09