Finding the Fourth Proportional to 12,597.77, 18,882.82 and 5,198.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,597.77 : 18,882.82 = 5,198.22 : x
2. Step 2: Convert to fraction form
   12,597.77/18,882.82 = 5,198.22/x
3. Step 3: Cross multiply
   12,597.77x = 18,882.82 × 5,198.22
4. Step 4: Simplify right side
   12,597.77x = 98,157,052.58
5. Step 5: Solve for x
   x = 98,157,052.58/12,597.77
6. Step 6: Final answer
   x = 7,791.62