Finding the Fourth Proportional to 22,300.50, 30,775.65 and 13,346.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.50 : 30,775.65 = 13,346.28 : x
2. Step 2: Convert to fraction form
   22,300.50/30,775.65 = 13,346.28/x
3. Step 3: Cross multiply
   22,300.50x = 30,775.65 × 13,346.28
4. Step 4: Simplify right side
   22,300.50x = 410,740,442.08
5. Step 5: Solve for x
   x = 410,740,442.08/22,300.50
6. Step 6: Final answer
   x = 18,418.44