Finding the Fourth Proportional to 39,960.05, 55,142.51 and 22,054.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,960.05 : 55,142.51 = 22,054.59 : x
2. Step 2: Convert to fraction form
   39,960.05/55,142.51 = 22,054.59/x
3. Step 3: Cross multiply
   39,960.05x = 55,142.51 × 22,054.59
4. Step 4: Simplify right side
   39,960.05x = 1,216,145,339.35
5. Step 5: Solve for x
   x = 1,216,145,339.35/39,960.05
6. Step 6: Final answer
   x = 30,434.03