Finding the Fourth Proportional to 5,234.52, 7,847.82 and 2,112.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,234.52 : 7,847.82 = 2,112.15 : x
2. Step 2: Convert to fraction form
   5,234.52/7,847.82 = 2,112.15/x
3. Step 3: Cross multiply
   5,234.52x = 7,847.82 × 2,112.15
4. Step 4: Simplify right side
   5,234.52x = 16,575,773.01
5. Step 5: Solve for x
   x = 16,575,773.01/5,234.52
6. Step 6: Final answer
   x = 3,166.63