Finding the Fourth Proportional to 34,234.56, 51,354.72 and 10,856.16

Step by Step Solution

1. Step 1: Write the proportion equation
   34,234.56 : 51,354.72 = 10,856.16 : x
2. Step 2: Convert to fraction form
   34,234.56/51,354.72 = 10,856.16/x
3. Step 3: Cross multiply
   34,234.56x = 51,354.72 × 10,856.16
4. Step 4: Simplify right side
   34,234.56x = 557,515,057.08
5. Step 5: Solve for x
   x = 557,515,057.08/34,234.56
6. Step 6: Final answer
   x = 16,285.15