Finding the Fourth Proportional to 13,105.01, 18,084.33 and 7,136.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105.01 : 18,084.33 = 7,136.71 : x
2. Step 2: Convert to fraction form
   13,105.01/18,084.33 = 7,136.71/x
3. Step 3: Cross multiply
   13,105.01x = 18,084.33 × 7,136.71
4. Step 4: Simplify right side
   13,105.01x = 129,062,668.12
5. Step 5: Solve for x
   x = 129,062,668.12/13,105.01
6. Step 6: Final answer
   x = 9,848.35