Finding the Fourth Proportional to 13,401.86, 18,495.17 and 7,433.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.86 : 18,495.17 = 7,433.13 : x
2. Step 2: Convert to fraction form
   13,401.86/18,495.17 = 7,433.13/x
3. Step 3: Cross multiply
   13,401.86x = 18,495.17 × 7,433.13
4. Step 4: Simplify right side
   13,401.86x = 137,476,965.82
5. Step 5: Solve for x
   x = 137,476,965.82/13,401.86
6. Step 6: Final answer
   x = 10,258.06