Finding the Fourth Proportional to 8,994.72, 12,411.80 and 5,015.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,994.72 : 12,411.80 = 5,015.46 : x
2. Step 2: Convert to fraction form
   8,994.72/12,411.80 = 5,015.46/x
3. Step 3: Cross multiply
   8,994.72x = 12,411.80 × 5,015.46
4. Step 4: Simplify right side
   8,994.72x = 62,250,886.43
5. Step 5: Solve for x
   x = 62,250,886.43/8,994.72
6. Step 6: Final answer
   x = 6,920.83