Finding the Fourth Proportional to 9,603.92, 13,253.34 and 5,412.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.92 : 13,253.34 = 5,412.16 : x
2. Step 2: Convert to fraction form
   9,603.92/13,253.34 = 5,412.16/x
3. Step 3: Cross multiply
   9,603.92x = 13,253.34 × 5,412.16
4. Step 4: Simplify right side
   9,603.92x = 71,729,196.61
5. Step 5: Solve for x
   x = 71,729,196.61/9,603.92
6. Step 6: Final answer
   x = 7,468.74