Finding the Fourth Proportional to 13,085.34, 18,059.28 and 7,344.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.34 : 18,059.28 = 7,344.37 : x
2. Step 2: Convert to fraction form
   13,085.34/18,059.28 = 7,344.37/x
3. Step 3: Cross multiply
   13,085.34x = 18,059.28 × 7,344.37
4. Step 4: Simplify right side
   13,085.34x = 132,634,034.25
5. Step 5: Solve for x
   x = 132,634,034.25/13,085.34
6. Step 6: Final answer
   x = 10,136.08