Finding the Fourth Proportional to 9,401.67, 12,981.06 and 7,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,401.67 : 12,981.06 = 7,056.72 : x
2. Step 2: Convert to fraction form
   9,401.67/12,981.06 = 7,056.72/x
3. Step 3: Cross multiply
   9,401.67x = 12,981.06 × 7,056.72
4. Step 4: Simplify right side
   9,401.67x = 91,603,705.72
5. Step 5: Solve for x
   x = 91,603,705.72/9,401.67
6. Step 6: Final answer
   x = 9,743.34