Finding the Fourth Proportional to 9,635.04, 13,296.56 and 5,443.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,635.04 : 13,296.56 = 5,443.28 : x
2. Step 2: Convert to fraction form
   9,635.04/13,296.56 = 5,443.28/x
3. Step 3: Cross multiply
   9,635.04x = 13,296.56 × 5,443.28
4. Step 4: Simplify right side
   9,635.04x = 72,376,899.12
5. Step 5: Solve for x
   x = 72,376,899.12/9,635.04
6. Step 6: Final answer
   x = 7,511.84