Finding the Fourth Proportional to 8,632.62, 12,970.81 and 8,052.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,632.62 : 12,970.81 = 8,052.15 : x
2. Step 2: Convert to fraction form
   8,632.62/12,970.81 = 8,052.15/x
3. Step 3: Cross multiply
   8,632.62x = 12,970.81 × 8,052.15
4. Step 4: Simplify right side
   8,632.62x = 104,442,842.89
5. Step 5: Solve for x
   x = 104,442,842.89/8,632.62
6. Step 6: Final answer
   x = 12,098.63