Finding the Fourth Proportional to 21,994.12, 32,987.52 and 7,951.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,994.12 : 32,987.52 = 7,951.42 : x
2. Step 2: Convert to fraction form
   21,994.12/32,987.52 = 7,951.42/x
3. Step 3: Cross multiply
   21,994.12x = 32,987.52 × 7,951.42
4. Step 4: Simplify right side
   21,994.12x = 262,297,626.28
5. Step 5: Solve for x
   x = 262,297,626.28/21,994.12
6. Step 6: Final answer
   x = 11,925.81