Finding the Fourth Proportional to 9,636.64, 13,300.98 and 5,447.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.64 : 13,300.98 = 5,447.32 : x
2. Step 2: Convert to fraction form
   9,636.64/13,300.98 = 5,447.32/x
3. Step 3: Cross multiply
   9,636.64x = 13,300.98 × 5,447.32
4. Step 4: Simplify right side
   9,636.64x = 72,454,694.37
5. Step 5: Solve for x
   x = 72,454,694.37/9,636.64
6. Step 6: Final answer
   x = 7,518.67