Finding the Fourth Proportional to 9,667.78, 14,494.57 and 3,090.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.78 : 14,494.57 = 3,090.17 : x
2. Step 2: Convert to fraction form
   9,667.78/14,494.57 = 3,090.17/x
3. Step 3: Cross multiply
   9,667.78x = 14,494.57 × 3,090.17
4. Step 4: Simplify right side
   9,667.78x = 44,790,685.38
5. Step 5: Solve for x
   x = 44,790,685.38/9,667.78
6. Step 6: Final answer
   x = 4,632.99