Finding the Fourth Proportional to 9,198.76, 12,694.52 and 5,007

Step by Step Solution

1. Step 1: Write the proportion equation
   9,198.76 : 12,694.52 = 5,007 : x
2. Step 2: Convert to fraction form
   9,198.76/12,694.52 = 5,007/x
3. Step 3: Cross multiply
   9,198.76x = 12,694.52 × 5,007
4. Step 4: Simplify right side
   9,198.76x = 63,561,461.64
5. Step 5: Solve for x
   x = 63,561,461.64/9,198.76
6. Step 6: Final answer
   x = 6,909.79