Finding the Fourth Proportional to 12,796.13, 19,194.24 and 3,911.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.13 : 19,194.24 = 3,911.42 : x
2. Step 2: Convert to fraction form
   12,796.13/19,194.24 = 3,911.42/x
3. Step 3: Cross multiply
   12,796.13x = 19,194.24 × 3,911.42
4. Step 4: Simplify right side
   12,796.13x = 75,076,775.93
5. Step 5: Solve for x
   x = 75,076,775.93/12,796.13
6. Step 6: Final answer
   x = 5,867.15