Finding the Fourth Proportional to 13,401.04, 18,493.33 and 7,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401.04 : 18,493.33 = 7,432.72 : x
2. Step 2: Convert to fraction form
   13,401.04/18,493.33 = 7,432.72/x
3. Step 3: Cross multiply
   13,401.04x = 18,493.33 × 7,432.72
4. Step 4: Simplify right side
   13,401.04x = 137,455,743.76
5. Step 5: Solve for x
   x = 137,455,743.76/13,401.04
6. Step 6: Final answer
   x = 10,257.10