Finding the Fourth Proportional to 13,400.89, 18,492.76 and 7,433.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,400.89 : 18,492.76 = 7,433.12 : x
2. Step 2: Convert to fraction form
   13,400.89/18,492.76 = 7,433.12/x
3. Step 3: Cross multiply
   13,400.89x = 18,492.76 × 7,433.12
4. Step 4: Simplify right side
   13,400.89x = 137,458,817.47
5. Step 5: Solve for x
   x = 137,458,817.47/13,400.89
6. Step 6: Final answer
   x = 10,257.44