Finding the Fourth Proportional to 9,603.58, 13,251.86 and 5,354.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,603.58 : 13,251.86 = 5,354.32 : x
2. Step 2: Convert to fraction form
   9,603.58/13,251.86 = 5,354.32/x
3. Step 3: Cross multiply
   9,603.58x = 13,251.86 × 5,354.32
4. Step 4: Simplify right side
   9,603.58x = 70,954,699.04
5. Step 5: Solve for x
   x = 70,954,699.04/9,603.58
6. Step 6: Final answer
   x = 7,388.36