Finding the Fourth Proportional to 19,796.72, 27,317.98 and 11,298.60

Step by Step Solution

1. Step 1: Write the proportion equation
   19,796.72 : 27,317.98 = 11,298.60 : x
2. Step 2: Convert to fraction form
   19,796.72/27,317.98 = 11,298.60/x
3. Step 3: Cross multiply
   19,796.72x = 27,317.98 × 11,298.60
4. Step 4: Simplify right side
   19,796.72x = 308,654,928.83
5. Step 5: Solve for x
   x = 308,654,928.83/19,796.72
6. Step 6: Final answer
   x = 15,591.22