Finding the Fourth Proportional to 30,215.57, 41,685.86 and 22,276.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,215.57 : 41,685.86 = 22,276.67 : x
2. Step 2: Convert to fraction form
   30,215.57/41,685.86 = 22,276.67/x
3. Step 3: Cross multiply
   30,215.57x = 41,685.86 × 22,276.67
4. Step 4: Simplify right side
   30,215.57x = 928,622,035.50
5. Step 5: Solve for x
   x = 928,622,035.50/30,215.57
6. Step 6: Final answer
   x = 30,733.23