Finding the Fourth Proportional to 22,588.98, 31,171.94 and 13,029.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,588.98 : 31,171.94 = 13,029.26 : x
2. Step 2: Convert to fraction form
   22,588.98/31,171.94 = 13,029.26/x
3. Step 3: Cross multiply
   22,588.98x = 31,171.94 × 13,029.26
4. Step 4: Simplify right side
   22,588.98x = 406,147,138.82
5. Step 5: Solve for x
   x = 406,147,138.82/22,588.98
6. Step 6: Final answer
   x = 17,979.88