Finding the Fourth Proportional to 8,077.56, 12,116 and 2,530.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,077.56 : 12,116 = 2,530.79 : x
2. Step 2: Convert to fraction form
   8,077.56/12,116 = 2,530.79/x
3. Step 3: Cross multiply
   8,077.56x = 12,116 × 2,530.79
4. Step 4: Simplify right side
   8,077.56x = 30,662,991.06
5. Step 5: Solve for x
   x = 30,662,991.06/8,077.56
6. Step 6: Final answer
   x = 3,796.07