Finding the Fourth Proportional to 8,772.78, 12,105.27 and 5,633.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,772.78 : 12,105.27 = 5,633.22 : x
2. Step 2: Convert to fraction form
   8,772.78/12,105.27 = 5,633.22/x
3. Step 3: Cross multiply
   8,772.78x = 12,105.27 × 5,633.22
4. Step 4: Simplify right side
   8,772.78x = 68,191,649.07
5. Step 5: Solve for x
   x = 68,191,649.07/8,772.78
6. Step 6: Final answer
   x = 7,773.09