Finding the Fourth Proportional to 22,609.94, 31,200.84 and 12,538.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,609.94 : 31,200.84 = 12,538.53 : x
2. Step 2: Convert to fraction form
   22,609.94/31,200.84 = 12,538.53/x
3. Step 3: Cross multiply
   22,609.94x = 31,200.84 × 12,538.53
4. Step 4: Simplify right side
   22,609.94x = 391,212,668.37
5. Step 5: Solve for x
   x = 391,212,668.37/22,609.94
6. Step 6: Final answer
   x = 17,302.69