Finding the Fourth Proportional to 39,967.80, 55,155.94 and 22,062.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,967.80 : 55,155.94 = 22,062.42 : x
2. Step 2: Convert to fraction form
   39,967.80/55,155.94 = 22,062.42/x
3. Step 3: Cross multiply
   39,967.80x = 55,155.94 × 22,062.42
4. Step 4: Simplify right side
   39,967.80x = 1,216,873,334.52
5. Step 5: Solve for x
   x = 1,216,873,334.52/39,967.80
6. Step 6: Final answer
   x = 30,446.35