Finding the Fourth Proportional to 10,811.80, 16,210.16 and 5,536.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,811.80 : 16,210.16 = 5,536.56 : x
2. Step 2: Convert to fraction form
   10,811.80/16,210.16 = 5,536.56/x
3. Step 3: Cross multiply
   10,811.80x = 16,210.16 × 5,536.56
4. Step 4: Simplify right side
   10,811.80x = 89,748,523.45
5. Step 5: Solve for x
   x = 89,748,523.45/10,811.80
6. Step 6: Final answer
   x = 8,300.98