Finding the Fourth Proportional to 13,309.67, 18,367.43 and 7,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,309.67 : 18,367.43 = 7,341.50 : x
2. Step 2: Convert to fraction form
   13,309.67/18,367.43 = 7,341.50/x
3. Step 3: Cross multiply
   13,309.67x = 18,367.43 × 7,341.50
4. Step 4: Simplify right side
   13,309.67x = 134,844,358.80
5. Step 5: Solve for x
   x = 134,844,358.80/13,309.67
6. Step 6: Final answer
   x = 10,131.31