Finding the Fourth Proportional to 13,002.62, 17,944.32 and 7,339.36

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.62 : 17,944.32 = 7,339.36 : x
2. Step 2: Convert to fraction form
   13,002.62/17,944.32 = 7,339.36/x
3. Step 3: Cross multiply
   13,002.62x = 17,944.32 × 7,339.36
4. Step 4: Simplify right side
   13,002.62x = 131,699,824.44
5. Step 5: Solve for x
   x = 131,699,824.44/13,002.62
6. Step 6: Final answer
   x = 10,128.71