Finding the Fourth Proportional to 8,537.72, 12,806.86 and 3,607.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,537.72 : 12,806.86 = 3,607.52 : x
2. Step 2: Convert to fraction form
   8,537.72/12,806.86 = 3,607.52/x
3. Step 3: Cross multiply
   8,537.72x = 12,806.86 × 3,607.52
4. Step 4: Simplify right side
   8,537.72x = 46,201,003.59
5. Step 5: Solve for x
   x = 46,201,003.59/8,537.72
6. Step 6: Final answer
   x = 5,411.40