Finding the Fourth Proportional to 19,906.56, 27,462.78 and 12,350.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,906.56 : 27,462.78 = 12,350.34 : x
2. Step 2: Convert to fraction form
   19,906.56/27,462.78 = 12,350.34/x
3. Step 3: Cross multiply
   19,906.56x = 27,462.78 × 12,350.34
4. Step 4: Simplify right side
   19,906.56x = 339,174,670.35
5. Step 5: Solve for x
   x = 339,174,670.35/19,906.56
6. Step 6: Final answer
   x = 17,038.34