Finding the Fourth Proportional to 13,401.25, 18,492.71 and 7,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.25 : 18,492.71 = 7,350.50 : x
2. Step 2: Convert to fraction form
   13,401.25/18,492.71 = 7,350.50/x
3. Step 3: Cross multiply
   13,401.25x = 18,492.71 × 7,350.50
4. Step 4: Simplify right side
   13,401.25x = 135,930,570.31
5. Step 5: Solve for x
   x = 135,930,570.31/13,401.25
6. Step 6: Final answer
   x = 10,143.13