Finding the Fourth Proportional to 8,045.58, 12,072.69 and 3,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,045.58 : 12,072.69 = 3,427.50 : x
2. Step 2: Convert to fraction form
   8,045.58/12,072.69 = 3,427.50/x
3. Step 3: Cross multiply
   8,045.58x = 12,072.69 × 3,427.50
4. Step 4: Simplify right side
   8,045.58x = 41,379,144.98
5. Step 5: Solve for x
   x = 41,379,144.98/8,045.58
6. Step 6: Final answer
   x = 5,143.09