Finding the Fourth Proportional to 12,321.55, 17,002.94 and 7,016.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,321.55 : 17,002.94 = 7,016.32 : x
2. Step 2: Convert to fraction form
   12,321.55/17,002.94 = 7,016.32/x
3. Step 3: Cross multiply
   12,321.55x = 17,002.94 × 7,016.32
4. Step 4: Simplify right side
   12,321.55x = 119,298,067.98
5. Step 5: Solve for x
   x = 119,298,067.98/12,321.55
6. Step 6: Final answer
   x = 9,682.07