Finding the Fourth Proportional to 16,973.52, 23,423.72 and 9,521.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.52 : 23,423.72 = 9,521.52 : x
2. Step 2: Convert to fraction form
   16,973.52/23,423.72 = 9,521.52/x
3. Step 3: Cross multiply
   16,973.52x = 23,423.72 × 9,521.52
4. Step 4: Simplify right side
   16,973.52x = 223,029,418.45
5. Step 5: Solve for x
   x = 223,029,418.45/16,973.52
6. Step 6: Final answer
   x = 13,139.84