Finding the Fourth Proportional to 10,727.51, 16,085.27 and 5,459.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,727.51 : 16,085.27 = 5,459.22 : x
2. Step 2: Convert to fraction form
   10,727.51/16,085.27 = 5,459.22/x
3. Step 3: Cross multiply
   10,727.51x = 16,085.27 × 5,459.22
4. Step 4: Simplify right side
   10,727.51x = 87,813,041.34
5. Step 5: Solve for x
   x = 87,813,041.34/10,727.51
6. Step 6: Final answer
   x = 8,185.78