Finding the Fourth Proportional to 41,289.10, 56,978.88 and 22,426.18

Step by Step Solution

1. Step 1: Write the proportion equation
   41,289.10 : 56,978.88 = 22,426.18 : x
2. Step 2: Convert to fraction form
   41,289.10/56,978.88 = 22,426.18/x
3. Step 3: Cross multiply
   41,289.10x = 56,978.88 × 22,426.18
4. Step 4: Simplify right side
   41,289.10x = 1,277,818,619.08
5. Step 5: Solve for x
   x = 1,277,818,619.08/41,289.10
6. Step 6: Final answer
   x = 30,948.09