Finding the Fourth Proportional to 8,537.39, 12,807.41 and 3,607.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,537.39 : 12,807.41 = 3,607.05 : x
2. Step 2: Convert to fraction form
   8,537.39/12,807.41 = 3,607.05/x
3. Step 3: Cross multiply
   8,537.39x = 12,807.41 × 3,607.05
4. Step 4: Simplify right side
   8,537.39x = 46,196,950.21
5. Step 5: Solve for x
   x = 46,196,950.21/8,537.39
6. Step 6: Final answer
   x = 5,411.14