Finding the Fourth Proportional to 13,178.34, 19,766.02 and 3,317.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,178.34 : 19,766.02 = 3,317.62 : x
2. Step 2: Convert to fraction form
   13,178.34/19,766.02 = 3,317.62/x
3. Step 3: Cross multiply
   13,178.34x = 19,766.02 × 3,317.62
4. Step 4: Simplify right side
   13,178.34x = 65,576,143.27
5. Step 5: Solve for x
   x = 65,576,143.27/13,178.34
6. Step 6: Final answer
   x = 4,976.05