Finding the Fourth Proportional to 8,367.30, 12,536.78 and 5,554.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,367.30 : 12,536.78 = 5,554.17 : x
2. Step 2: Convert to fraction form
   8,367.30/12,536.78 = 5,554.17/x
3. Step 3: Cross multiply
   8,367.30x = 12,536.78 × 5,554.17
4. Step 4: Simplify right side
   8,367.30x = 69,631,379.60
5. Step 5: Solve for x
   x = 69,631,379.60/8,367.30
6. Step 6: Final answer
   x = 8,321.85