Finding the Fourth Proportional to 8,605.59, 12,910.01 and 3,675.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,605.59 : 12,910.01 = 3,675.12 : x
2. Step 2: Convert to fraction form
   8,605.59/12,910.01 = 3,675.12/x
3. Step 3: Cross multiply
   8,605.59x = 12,910.01 × 3,675.12
4. Step 4: Simplify right side
   8,605.59x = 47,445,817.58
5. Step 5: Solve for x
   x = 47,445,817.58/8,605.59
6. Step 6: Final answer
   x = 5,513.37