Finding the Fourth Proportional to 9,667.15, 14,500.18 and 2,646.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.15 : 14,500.18 = 2,646.65 : x
2. Step 2: Convert to fraction form
   9,667.15/14,500.18 = 2,646.65/x
3. Step 3: Cross multiply
   9,667.15x = 14,500.18 × 2,646.65
4. Step 4: Simplify right side
   9,667.15x = 38,376,901.40
5. Step 5: Solve for x
   x = 38,376,901.40/9,667.15
6. Step 6: Final answer
   x = 3,969.83