Finding the Fourth Proportional to 9,343.71, 12,949.98 and 9,168.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.71 : 12,949.98 = 9,168.75 : x
2. Step 2: Convert to fraction form
   9,343.71/12,949.98 = 9,168.75/x
3. Step 3: Cross multiply
   9,343.71x = 12,949.98 × 9,168.75
4. Step 4: Simplify right side
   9,343.71x = 118,735,212.07
5. Step 5: Solve for x
   x = 118,735,212.07/9,343.71
6. Step 6: Final answer
   x = 12,707.50