Finding the Fourth Proportional to 9,333.72, 12,880.66 and 5,354.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.72 : 12,880.66 = 5,354.68 : x
2. Step 2: Convert to fraction form
   9,333.72/12,880.66 = 5,354.68/x
3. Step 3: Cross multiply
   9,333.72x = 12,880.66 × 5,354.68
4. Step 4: Simplify right side
   9,333.72x = 68,971,812.49
5. Step 5: Solve for x
   x = 68,971,812.49/9,333.72
6. Step 6: Final answer
   x = 7,389.53