Finding the Fourth Proportional to 9,333.45, 12,880.53 and 5,354.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.45 : 12,880.53 = 5,354.73 : x
2. Step 2: Convert to fraction form
   9,333.45/12,880.53 = 5,354.73/x
3. Step 3: Cross multiply
   9,333.45x = 12,880.53 × 5,354.73
4. Step 4: Simplify right side
   9,333.45x = 68,971,760.41
5. Step 5: Solve for x
   x = 68,971,760.41/9,333.45
6. Step 6: Final answer
   x = 7,389.74