Finding the Fourth Proportional to 22,279.88, 30,746.24 and 13,327.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,279.88 : 30,746.24 = 13,327.76 : x
2. Step 2: Convert to fraction form
   22,279.88/30,746.24 = 13,327.76/x
3. Step 3: Cross multiply
   22,279.88x = 30,746.24 × 13,327.76
4. Step 4: Simplify right side
   22,279.88x = 409,778,287.25
5. Step 5: Solve for x
   x = 409,778,287.25/22,279.88
6. Step 6: Final answer
   x = 18,392.31