Finding the Fourth Proportional to 10,796.22, 16,188.77 and 4,947.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.22 : 16,188.77 = 4,947.81 : x
2. Step 2: Convert to fraction form
   10,796.22/16,188.77 = 4,947.81/x
3. Step 3: Cross multiply
   10,796.22x = 16,188.77 × 4,947.81
4. Step 4: Simplify right side
   10,796.22x = 80,098,933.35
5. Step 5: Solve for x
   x = 80,098,933.35/10,796.22
6. Step 6: Final answer
   x = 7,419.16