Finding the Fourth Proportional to 9,352.84, 12,906.50 and 5,103.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,352.84 : 12,906.50 = 5,103.72 : x
2. Step 2: Convert to fraction form
   9,352.84/12,906.50 = 5,103.72/x
3. Step 3: Cross multiply
   9,352.84x = 12,906.50 × 5,103.72
4. Step 4: Simplify right side
   9,352.84x = 65,871,162.18
5. Step 5: Solve for x
   x = 65,871,162.18/9,352.84
6. Step 6: Final answer
   x = 7,042.90