Finding the Fourth Proportional to 9,397.90, 12,968.88 and 5,148.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,397.90 : 12,968.88 = 5,148.82 : x
2. Step 2: Convert to fraction form
   9,397.90/12,968.88 = 5,148.82/x
3. Step 3: Cross multiply
   9,397.90x = 12,968.88 × 5,148.82
4. Step 4: Simplify right side
   9,397.90x = 66,774,428.72
5. Step 5: Solve for x
   x = 66,774,428.72/9,397.90
6. Step 6: Final answer
   x = 7,105.25