Finding the Fourth Proportional to 12,959.22, 19,441.71 and 3,724.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,959.22 : 19,441.71 = 3,724.50 : x
2. Step 2: Convert to fraction form
   12,959.22/19,441.71 = 3,724.50/x
3. Step 3: Cross multiply
   12,959.22x = 19,441.71 × 3,724.50
4. Step 4: Simplify right side
   12,959.22x = 72,410,648.90
5. Step 5: Solve for x
   x = 72,410,648.90/12,959.22
6. Step 6: Final answer
   x = 5,587.58