Finding the Fourth Proportional to 22,494.78, 31,037.94 and 13,058.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,494.78 : 31,037.94 = 13,058.28 : x
2. Step 2: Convert to fraction form
   22,494.78/31,037.94 = 13,058.28/x
3. Step 3: Cross multiply
   22,494.78x = 31,037.94 × 13,058.28
4. Step 4: Simplify right side
   22,494.78x = 405,302,111.14
5. Step 5: Solve for x
   x = 405,302,111.14/22,494.78
6. Step 6: Final answer
   x = 18,017.61