Finding the Fourth Proportional to 16,412.04, 22,643.28 and 9,697.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,412.04 : 22,643.28 = 9,697.86 : x
2. Step 2: Convert to fraction form
   16,412.04/22,643.28 = 9,697.86/x
3. Step 3: Cross multiply
   16,412.04x = 22,643.28 × 9,697.86
4. Step 4: Simplify right side
   16,412.04x = 219,591,359.38
5. Step 5: Solve for x
   x = 219,591,359.38/16,412.04
6. Step 6: Final answer
   x = 13,379.89