Finding the Fourth Proportional to 9,133.36, 12,603.56 and 5,356

Step by Step Solution

1. Step 1: Write the proportion equation
   9,133.36 : 12,603.56 = 5,356 : x
2. Step 2: Convert to fraction form
   9,133.36/12,603.56 = 5,356/x
3. Step 3: Cross multiply
   9,133.36x = 12,603.56 × 5,356
4. Step 4: Simplify right side
   9,133.36x = 67,504,667.36
5. Step 5: Solve for x
   x = 67,504,667.36/9,133.36
6. Step 6: Final answer
   x = 7,391.00