Finding the Fourth Proportional to 13,045.50, 18,002.79 and 7,380.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,045.50 : 18,002.79 = 7,380.14 : x
2. Step 2: Convert to fraction form
   13,045.50/18,002.79 = 7,380.14/x
3. Step 3: Cross multiply
   13,045.50x = 18,002.79 × 7,380.14
4. Step 4: Simplify right side
   13,045.50x = 132,863,020.58
5. Step 5: Solve for x
   x = 132,863,020.58/13,045.50
6. Step 6: Final answer
   x = 10,184.59