Finding the Fourth Proportional to 9,280.04, 12,806.49 and 5,554.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.04 : 12,806.49 = 5,554.04 : x
2. Step 2: Convert to fraction form
   9,280.04/12,806.49 = 5,554.04/x
3. Step 3: Cross multiply
   9,280.04x = 12,806.49 × 5,554.04
4. Step 4: Simplify right side
   9,280.04x = 71,127,693.69
5. Step 5: Solve for x
   x = 71,127,693.69/9,280.04
6. Step 6: Final answer
   x = 7,664.59