Finding the Fourth Proportional to 9,603.96, 13,253.31 and 5,412.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.96 : 13,253.31 = 5,412.24 : x
2. Step 2: Convert to fraction form
   9,603.96/13,253.31 = 5,412.24/x
3. Step 3: Cross multiply
   9,603.96x = 13,253.31 × 5,412.24
4. Step 4: Simplify right side
   9,603.96x = 71,730,094.51
5. Step 5: Solve for x
   x = 71,730,094.51/9,603.96
6. Step 6: Final answer
   x = 7,468.80