Finding the Fourth Proportional to 10,784.76, 16,163.46 and 4,855.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.76 : 16,163.46 = 4,855.32 : x
2. Step 2: Convert to fraction form
   10,784.76/16,163.46 = 4,855.32/x
3. Step 3: Cross multiply
   10,784.76x = 16,163.46 × 4,855.32
4. Step 4: Simplify right side
   10,784.76x = 78,478,770.61
5. Step 5: Solve for x
   x = 78,478,770.61/10,784.76
6. Step 6: Final answer
   x = 7,276.82