Finding the Fourth Proportional to 22,523.55, 31,084.41 and 13,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,523.55 : 31,084.41 = 13,091.50 : x
2. Step 2: Convert to fraction form
   22,523.55/31,084.41 = 13,091.50/x
3. Step 3: Cross multiply
   22,523.55x = 31,084.41 × 13,091.50
4. Step 4: Simplify right side
   22,523.55x = 406,941,553.52
5. Step 5: Solve for x
   x = 406,941,553.52/22,523.55
6. Step 6: Final answer
   x = 18,067.38