Finding the Fourth Proportional to 8,045.16, 12,012.71 and 7,206.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.16 : 12,012.71 = 7,206.81 : x
2. Step 2: Convert to fraction form
   8,045.16/12,012.71 = 7,206.81/x
3. Step 3: Cross multiply
   8,045.16x = 12,012.71 × 7,206.81
4. Step 4: Simplify right side
   8,045.16x = 86,573,318.56
5. Step 5: Solve for x
   x = 86,573,318.56/8,045.16
6. Step 6: Final answer
   x = 10,760.92