Finding the Fourth Proportional to 12,984.82, 19,462.56 and 6,397.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.82 : 19,462.56 = 6,397.18 : x
2. Step 2: Convert to fraction form
   12,984.82/19,462.56 = 6,397.18/x
3. Step 3: Cross multiply
   12,984.82x = 19,462.56 × 6,397.18
4. Step 4: Simplify right side
   12,984.82x = 124,505,499.58
5. Step 5: Solve for x
   x = 124,505,499.58/12,984.82
6. Step 6: Final answer
   x = 9,588.54