Finding the Fourth Proportional to 8,397.72, 12,599.31 and 4,015.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,397.72 : 12,599.31 = 4,015.50 : x
2. Step 2: Convert to fraction form
   8,397.72/12,599.31 = 4,015.50/x
3. Step 3: Cross multiply
   8,397.72x = 12,599.31 × 4,015.50
4. Step 4: Simplify right side
   8,397.72x = 50,592,529.31
5. Step 5: Solve for x
   x = 50,592,529.31/8,397.72
6. Step 6: Final answer
   x = 6,024.56