Finding the Fourth Proportional to 19,679.72, 27,158.32 and 10,727.22

Step by Step Solution

1. Step 1: Write the proportion equation
   19,679.72 : 27,158.32 = 10,727.22 : x
2. Step 2: Convert to fraction form
   19,679.72/27,158.32 = 10,727.22/x
3. Step 3: Cross multiply
   19,679.72x = 27,158.32 × 10,727.22
4. Step 4: Simplify right side
   19,679.72x = 291,333,388.72
5. Step 5: Solve for x
   x = 291,333,388.72/19,679.72
6. Step 6: Final answer
   x = 14,803.74