Finding the Fourth Proportional to 16,145.72, 22,281.57 and 9,773.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.72 : 22,281.57 = 9,773.46 : x
2. Step 2: Convert to fraction form
   16,145.72/22,281.57 = 9,773.46/x
3. Step 3: Cross multiply
   16,145.72x = 22,281.57 × 9,773.46
4. Step 4: Simplify right side
   16,145.72x = 217,768,033.13
5. Step 5: Solve for x
   x = 217,768,033.13/16,145.72
6. Step 6: Final answer
   x = 13,487.67