Finding the Fourth Proportional to 8,869.34, 13,225.77 and 8,433.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,869.34 : 13,225.77 = 8,433.32 : x
2. Step 2: Convert to fraction form
   8,869.34/13,225.77 = 8,433.32/x
3. Step 3: Cross multiply
   8,869.34x = 13,225.77 × 8,433.32
4. Step 4: Simplify right side
   8,869.34x = 111,537,084.53
5. Step 5: Solve for x
   x = 111,537,084.53/8,869.34
6. Step 6: Final answer
   x = 12,575.59