Finding the Fourth Proportional to 19,803.72, 27,328.98 and 10,851.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,803.72 : 27,328.98 = 10,851.06 : x
2. Step 2: Convert to fraction form
   19,803.72/27,328.98 = 10,851.06/x
3. Step 3: Cross multiply
   19,803.72x = 27,328.98 × 10,851.06
4. Step 4: Simplify right side
   19,803.72x = 296,548,401.72
5. Step 5: Solve for x
   x = 296,548,401.72/19,803.72
6. Step 6: Final answer
   x = 14,974.38