Finding the Fourth Proportional to 12,170.77, 18,258.03 and 5,150.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,170.77 : 18,258.03 = 5,150.82 : x
2. Step 2: Convert to fraction form
   12,170.77/18,258.03 = 5,150.82/x
3. Step 3: Cross multiply
   12,170.77x = 18,258.03 × 5,150.82
4. Step 4: Simplify right side
   12,170.77x = 94,043,826.08
5. Step 5: Solve for x
   x = 94,043,826.08/12,170.77
6. Step 6: Final answer
   x = 7,727.02