Finding the Fourth Proportional to 22,167.03, 30,590.83 and 13,219.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,167.03 : 30,590.83 = 13,219.74 : x
2. Step 2: Convert to fraction form
   22,167.03/30,590.83 = 13,219.74/x
3. Step 3: Cross multiply
   22,167.03x = 30,590.83 × 13,219.74
4. Step 4: Simplify right side
   22,167.03x = 404,402,835.51
5. Step 5: Solve for x
   x = 404,402,835.51/22,167.03
6. Step 6: Final answer
   x = 18,243.43