Finding the Fourth Proportional to 8,916.06, 12,308.31 and 5,773.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,916.06 : 12,308.31 = 5,773.26 : x
2. Step 2: Convert to fraction form
   8,916.06/12,308.31 = 5,773.26/x
3. Step 3: Cross multiply
   8,916.06x = 12,308.31 × 5,773.26
4. Step 4: Simplify right side
   8,916.06x = 71,059,073.79
5. Step 5: Solve for x
   x = 71,059,073.79/8,916.06
6. Step 6: Final answer
   x = 7,969.78