Finding the Fourth Proportional to 13,085.84, 18,059.97 and 7,344.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,085.84 : 18,059.97 = 7,344.87 : x
2. Step 2: Convert to fraction form
   13,085.84/18,059.97 = 7,344.87/x
3. Step 3: Cross multiply
   13,085.84x = 18,059.97 × 7,344.87
4. Step 4: Simplify right side
   13,085.84x = 132,648,131.85
5. Step 5: Solve for x
   x = 132,648,131.85/13,085.84
6. Step 6: Final answer
   x = 10,136.77