Finding the Fourth Proportional to 22,538.69, 31,102.43 and 12,329.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,538.69 : 31,102.43 = 12,329.55 : x
2. Step 2: Convert to fraction form
   22,538.69/31,102.43 = 12,329.55/x
3. Step 3: Cross multiply
   22,538.69x = 31,102.43 × 12,329.55
4. Step 4: Simplify right side
   22,538.69x = 383,478,904.16
5. Step 5: Solve for x
   x = 383,478,904.16/22,538.69
6. Step 6: Final answer
   x = 17,014.25