Finding the Fourth Proportional to 12,736.82, 19,101.98 and 3,967.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.82 : 19,101.98 = 3,967.22 : x
2. Step 2: Convert to fraction form
   12,736.82/19,101.98 = 3,967.22/x
3. Step 3: Cross multiply
   12,736.82x = 19,101.98 × 3,967.22
4. Step 4: Simplify right side
   12,736.82x = 75,781,641.75
5. Step 5: Solve for x
   x = 75,781,641.75/12,736.82
6. Step 6: Final answer
   x = 5,949.81