Finding the Fourth Proportional to 7,212.96, 10,819.86 and 2,018.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,212.96 : 10,819.86 = 2,018.82 : x
2. Step 2: Convert to fraction form
   7,212.96/10,819.86 = 2,018.82/x
3. Step 3: Cross multiply
   7,212.96x = 10,819.86 × 2,018.82
4. Step 4: Simplify right side
   7,212.96x = 21,843,349.77
5. Step 5: Solve for x
   x = 21,843,349.77/7,212.96
6. Step 6: Final answer
   x = 3,028.35