Finding the Fourth Proportional to 22,914.83, 31,623.72 and 12,842.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,914.83 : 31,623.72 = 12,842.69 : x
2. Step 2: Convert to fraction form
   22,914.83/31,623.72 = 12,842.69/x
3. Step 3: Cross multiply
   22,914.83x = 31,623.72 × 12,842.69
4. Step 4: Simplify right side
   22,914.83x = 406,133,632.61
5. Step 5: Solve for x
   x = 406,133,632.61/22,914.83
6. Step 6: Final answer
   x = 17,723.62