Finding the Fourth Proportional to 12,077.36, 18,119.98 and 5,838.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.36 : 18,119.98 = 5,838.08 : x
2. Step 2: Convert to fraction form
   12,077.36/18,119.98 = 5,838.08/x
3. Step 3: Cross multiply
   12,077.36x = 18,119.98 × 5,838.08
4. Step 4: Simplify right side
   12,077.36x = 105,785,892.84
5. Step 5: Solve for x
   x = 105,785,892.84/12,077.36
6. Step 6: Final answer
   x = 8,759.02