Finding the Fourth Proportional to 13,309.91, 18,367.71 and 7,341.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,309.91 : 18,367.71 = 7,341.67 : x
2. Step 2: Convert to fraction form
   13,309.91/18,367.71 = 7,341.67/x
3. Step 3: Cross multiply
   13,309.91x = 18,367.71 × 7,341.67
4. Step 4: Simplify right side
   13,309.91x = 134,849,619.56
5. Step 5: Solve for x
   x = 134,849,619.56/13,309.91
6. Step 6: Final answer
   x = 10,131.52