Finding the Fourth Proportional to 8,994.22, 12,412.09 and 5,015.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,994.22 : 12,412.09 = 5,015.59 : x
2. Step 2: Convert to fraction form
   8,994.22/12,412.09 = 5,015.59/x
3. Step 3: Cross multiply
   8,994.22x = 12,412.09 × 5,015.59
4. Step 4: Simplify right side
   8,994.22x = 62,253,929.72
5. Step 5: Solve for x
   x = 62,253,929.72/8,994.22
6. Step 6: Final answer
   x = 6,921.55