Finding the Fourth Proportional to 8,215.12, 12,333.27 and 7,052.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.12 : 12,333.27 = 7,052.59 : x
2. Step 2: Convert to fraction form
   8,215.12/12,333.27 = 7,052.59/x
3. Step 3: Cross multiply
   8,215.12x = 12,333.27 × 7,052.59
4. Step 4: Simplify right side
   8,215.12x = 86,981,518.70
5. Step 5: Solve for x
   x = 86,981,518.70/8,215.12
6. Step 6: Final answer
   x = 10,587.98