Finding the Fourth Proportional to 7,086.52, 10,630.36 and 2,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,086.52 : 10,630.36 = 2,156.16 : x
2. Step 2: Convert to fraction form
   7,086.52/10,630.36 = 2,156.16/x
3. Step 3: Cross multiply
   7,086.52x = 10,630.36 × 2,156.16
4. Step 4: Simplify right side
   7,086.52x = 22,920,750.89
5. Step 5: Solve for x
   x = 22,920,750.89/7,086.52
6. Step 6: Final answer
   x = 3,234.42