Finding the Fourth Proportional to 22,924.71, 31,635.81 and 12,855.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,924.71 : 31,635.81 = 12,855.69 : x
2. Step 2: Convert to fraction form
   22,924.71/31,635.81 = 12,855.69/x
3. Step 3: Cross multiply
   22,924.71x = 31,635.81 × 12,855.69
4. Step 4: Simplify right side
   22,924.71x = 406,700,166.26
5. Step 5: Solve for x
   x = 406,700,166.26/22,924.71
6. Step 6: Final answer
   x = 17,740.69