Finding the Fourth Proportional to 12,727.68, 19,085.02 and 5,330.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.68 : 19,085.02 = 5,330.12 : x
2. Step 2: Convert to fraction form
   12,727.68/19,085.02 = 5,330.12/x
3. Step 3: Cross multiply
   12,727.68x = 19,085.02 × 5,330.12
4. Step 4: Simplify right side
   12,727.68x = 101,725,446.80
5. Step 5: Solve for x
   x = 101,725,446.80/12,727.68
6. Step 6: Final answer
   x = 7,992.46