Finding the Fourth Proportional to 19,580.76, 27,023.78 and 10,967.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580.76 : 27,023.78 = 10,967.76 : x
2. Step 2: Convert to fraction form
   19,580.76/27,023.78 = 10,967.76/x
3. Step 3: Cross multiply
   19,580.76x = 27,023.78 × 10,967.76
4. Step 4: Simplify right side
   19,580.76x = 296,390,333.33
5. Step 5: Solve for x
   x = 296,390,333.33/19,580.76
6. Step 6: Final answer
   x = 15,136.81