Finding the Fourth Proportional to 9,397.54, 12,968.61 and 5,148.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,397.54 : 12,968.61 = 5,148.87 : x
2. Step 2: Convert to fraction form
   9,397.54/12,968.61 = 5,148.87/x
3. Step 3: Cross multiply
   9,397.54x = 12,968.61 × 5,148.87
4. Step 4: Simplify right side
   9,397.54x = 66,773,728.45
5. Step 5: Solve for x
   x = 66,773,728.45/9,397.54
6. Step 6: Final answer
   x = 7,105.44