Finding the Fourth Proportional to 12,077.32, 18,116.06 and 3,313.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.32 : 18,116.06 = 3,313.16 : x
2. Step 2: Convert to fraction form
   12,077.32/18,116.06 = 3,313.16/x
3. Step 3: Cross multiply
   12,077.32x = 18,116.06 × 3,313.16
4. Step 4: Simplify right side
   12,077.32x = 60,021,405.35
5. Step 5: Solve for x
   x = 60,021,405.35/12,077.32
6. Step 6: Final answer
   x = 4,969.76