Finding the Fourth Proportional to 13,401.11, 18,493.25 and 7,432.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.11 : 18,493.25 = 7,432.65 : x
2. Step 2: Convert to fraction form
   13,401.11/18,493.25 = 7,432.65/x
3. Step 3: Cross multiply
   13,401.11x = 18,493.25 × 7,432.65
4. Step 4: Simplify right side
   13,401.11x = 137,453,817.45
5. Step 5: Solve for x
   x = 137,453,817.45/13,401.11
6. Step 6: Final answer
   x = 10,256.90