Finding the Fourth Proportional to 9,396.93, 12,967.59 and 5,147.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,396.93 : 12,967.59 = 5,147.88 : x
2. Step 2: Convert to fraction form
   9,396.93/12,967.59 = 5,147.88/x
3. Step 3: Cross multiply
   9,396.93x = 12,967.59 × 5,147.88
4. Step 4: Simplify right side
   9,396.93x = 66,755,597.21
5. Step 5: Solve for x
   x = 66,755,597.21/9,396.93
6. Step 6: Final answer
   x = 7,103.98