Finding the Fourth Proportional to 8,936.85, 13,402.17 and 3,670.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,936.85 : 13,402.17 = 3,670.38 : x
2. Step 2: Convert to fraction form
   8,936.85/13,402.17 = 3,670.38/x
3. Step 3: Cross multiply
   8,936.85x = 13,402.17 × 3,670.38
4. Step 4: Simplify right side
   8,936.85x = 49,191,056.72
5. Step 5: Solve for x
   x = 49,191,056.72/8,936.85
6. Step 6: Final answer
   x = 5,504.29