Finding the Fourth Proportional to 10,855.67, 14,984.34 and 8,346.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,855.67 : 14,984.34 = 8,346.09 : x
2. Step 2: Convert to fraction form
   10,855.67/14,984.34 = 8,346.09/x
3. Step 3: Cross multiply
   10,855.67x = 14,984.34 × 8,346.09
4. Step 4: Simplify right side
   10,855.67x = 125,060,650.23
5. Step 5: Solve for x
   x = 125,060,650.23/10,855.67
6. Step 6: Final answer
   x = 11,520.31