Finding the Fourth Proportional to 8,849.48, 12,212.32 and 5,072.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.48 : 12,212.32 = 5,072.86 : x
2. Step 2: Convert to fraction form
   8,849.48/12,212.32 = 5,072.86/x
3. Step 3: Cross multiply
   8,849.48x = 12,212.32 × 5,072.86
4. Step 4: Simplify right side
   8,849.48x = 61,951,346.42
5. Step 5: Solve for x
   x = 61,951,346.42/8,849.48
6. Step 6: Final answer
   x = 7,000.57