Finding the Fourth Proportional to 9,364.41, 12,918.83 and 5,636.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,364.41 : 12,918.83 = 5,636.25 : x
2. Step 2: Convert to fraction form
   9,364.41/12,918.83 = 5,636.25/x
3. Step 3: Cross multiply
   9,364.41x = 12,918.83 × 5,636.25
4. Step 4: Simplify right side
   9,364.41x = 72,813,727.41
5. Step 5: Solve for x
   x = 72,813,727.41/9,364.41
6. Step 6: Final answer
   x = 7,775.58