Finding the Fourth Proportional to 41,288.77, 56,978.18 and 22,426.03

Step by Step Solution

1. Step 1: Write the proportion equation
   41,288.77 : 56,978.18 = 22,426.03 : x
2. Step 2: Convert to fraction form
   41,288.77/56,978.18 = 22,426.03/x
3. Step 3: Cross multiply
   41,288.77x = 56,978.18 × 22,426.03
4. Step 4: Simplify right side
   41,288.77x = 1,277,794,145.20
5. Step 5: Solve for x
   x = 1,277,794,145.20/41,288.77
6. Step 6: Final answer
   x = 30,947.74