Finding the Fourth Proportional to 8,597.86, 12,898.12 and 3,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,597.86 : 12,898.12 = 3,667.50 : x
2. Step 2: Convert to fraction form
   8,597.86/12,898.12 = 3,667.50/x
3. Step 3: Cross multiply
   8,597.86x = 12,898.12 × 3,667.50
4. Step 4: Simplify right side
   8,597.86x = 47,303,855.10
5. Step 5: Solve for x
   x = 47,303,855.10/8,597.86
6. Step 6: Final answer
   x = 5,501.82