Finding the Fourth Proportional to 8,151.22, 12,213.06 and 5,227.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.22 : 12,213.06 = 5,227.93 : x
2. Step 2: Convert to fraction form
   8,151.22/12,213.06 = 5,227.93/x
3. Step 3: Cross multiply
   8,151.22x = 12,213.06 × 5,227.93
4. Step 4: Simplify right side
   8,151.22x = 63,849,022.77
5. Step 5: Solve for x
   x = 63,849,022.77/8,151.22
6. Step 6: Final answer
   x = 7,833.06