Finding the Fourth Proportional to 22,505.67, 31,059.72 and 13,073.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,505.67 : 31,059.72 = 13,073.64 : x
2. Step 2: Convert to fraction form
   22,505.67/31,059.72 = 13,073.64/x
3. Step 3: Cross multiply
   22,505.67x = 31,059.72 × 13,073.64
4. Step 4: Simplify right side
   22,505.67x = 406,063,597.78
5. Step 5: Solve for x
   x = 406,063,597.78/22,505.67
6. Step 6: Final answer
   x = 18,042.72