Finding the Fourth Proportional to 8,369.98, 12,554.99 and 3,436.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,369.98 : 12,554.99 = 3,436.15 : x
2. Step 2: Convert to fraction form
   8,369.98/12,554.99 = 3,436.15/x
3. Step 3: Cross multiply
   8,369.98x = 12,554.99 × 3,436.15
4. Step 4: Simplify right side
   8,369.98x = 43,140,828.89
5. Step 5: Solve for x
   x = 43,140,828.89/8,369.98
6. Step 6: Final answer
   x = 5,154.23