Finding the Fourth Proportional to 13,334.50, 18,401.61 and 7,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,334.50 : 18,401.61 = 7,446.50 : x
2. Step 2: Convert to fraction form
   13,334.50/18,401.61 = 7,446.50/x
3. Step 3: Cross multiply
   13,334.50x = 18,401.61 × 7,446.50
4. Step 4: Simplify right side
   13,334.50x = 137,027,588.87
5. Step 5: Solve for x
   x = 137,027,588.87/13,334.50
6. Step 6: Final answer
   x = 10,276.17