Finding the Fourth Proportional to 12,732.58, 19,099.88 and 3,967.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.58 : 19,099.88 = 3,967.57 : x
2. Step 2: Convert to fraction form
   12,732.58/19,099.88 = 3,967.57/x
3. Step 3: Cross multiply
   12,732.58x = 19,099.88 × 3,967.57
4. Step 4: Simplify right side
   12,732.58x = 75,780,110.89
5. Step 5: Solve for x
   x = 75,780,110.89/12,732.58
6. Step 6: Final answer
   x = 5,951.67