Finding the Fourth Proportional to 8,152.05, 12,227.46 and 2,605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,152.05 : 12,227.46 = 2,605.98 : x
2. Step 2: Convert to fraction form
   8,152.05/12,227.46 = 2,605.98/x
3. Step 3: Cross multiply
   8,152.05x = 12,227.46 × 2,605.98
4. Step 4: Simplify right side
   8,152.05x = 31,864,516.21
5. Step 5: Solve for x
   x = 31,864,516.21/8,152.05
6. Step 6: Final answer
   x = 3,908.77