Finding the Fourth Proportional to 9,375.75, 12,938.81 and 5,184.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.75 : 12,938.81 = 5,184.27 : x
2. Step 2: Convert to fraction form
   9,375.75/12,938.81 = 5,184.27/x
3. Step 3: Cross multiply
   9,375.75x = 12,938.81 × 5,184.27
4. Step 4: Simplify right side
   9,375.75x = 67,078,258.60
5. Step 5: Solve for x
   x = 67,078,258.60/9,375.75
6. Step 6: Final answer
   x = 7,154.44