Finding the Fourth Proportional to 8,796.85, 12,140.23 and 5,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.85 : 12,140.23 = 5,773.78 : x
2. Step 2: Convert to fraction form
   8,796.85/12,140.23 = 5,773.78/x
3. Step 3: Cross multiply
   8,796.85x = 12,140.23 × 5,773.78
4. Step 4: Simplify right side
   8,796.85x = 70,095,028.74
5. Step 5: Solve for x
   x = 70,095,028.74/8,796.85
6. Step 6: Final answer
   x = 7,968.19