Finding the Fourth Proportional to 19,609.50, 27,061.11 and 10,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,609.50 : 27,061.11 = 10,777.50 : x
2. Step 2: Convert to fraction form
   19,609.50/27,061.11 = 10,777.50/x
3. Step 3: Cross multiply
   19,609.50x = 27,061.11 × 10,777.50
4. Step 4: Simplify right side
   19,609.50x = 291,651,113.03
5. Step 5: Solve for x
   x = 291,651,113.03/19,609.50
6. Step 6: Final answer
   x = 14,872.95