Finding the Fourth Proportional to 8,609.00, 12,911.31 and 3,062.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,609.00 : 12,911.31 = 3,062.12 : x
2. Step 2: Convert to fraction form
   8,609.00/12,911.31 = 3,062.12/x
3. Step 3: Cross multiply
   8,609.00x = 12,911.31 × 3,062.12
4. Step 4: Simplify right side
   8,609.00x = 39,535,916.02
5. Step 5: Solve for x
   x = 39,535,916.02/8,609.00
6. Step 6: Final answer
   x = 4,592.40