Finding the Fourth Proportional to 9,404.54, 12,969.32 and 5,627.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.54 : 12,969.32 = 5,627.11 : x
2. Step 2: Convert to fraction form
   9,404.54/12,969.32 = 5,627.11/x
3. Step 3: Cross multiply
   9,404.54x = 12,969.32 × 5,627.11
4. Step 4: Simplify right side
   9,404.54x = 72,979,729.71
5. Step 5: Solve for x
   x = 72,979,729.71/9,404.54
6. Step 6: Final answer
   x = 7,760.05