Finding the Fourth Proportional to 9,364.65, 12,851.27 and 8,836.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,364.65 : 12,851.27 = 8,836.43 : x
2. Step 2: Convert to fraction form
   9,364.65/12,851.27 = 8,836.43/x
3. Step 3: Cross multiply
   9,364.65x = 12,851.27 × 8,836.43
4. Step 4: Simplify right side
   9,364.65x = 113,559,322.17
5. Step 5: Solve for x
   x = 113,559,322.17/9,364.65
6. Step 6: Final answer
   x = 12,126.39