Finding the Fourth Proportional to 39,923.84, 55,091.84 and 22,019.52

Step by Step Solution

1. Step 1: Write the proportion equation
   39,923.84 : 55,091.84 = 22,019.52 : x
2. Step 2: Convert to fraction form
   39,923.84/55,091.84 = 22,019.52/x
3. Step 3: Cross multiply
   39,923.84x = 55,091.84 × 22,019.52
4. Step 4: Simplify right side
   39,923.84x = 1,213,095,872.72
5. Step 5: Solve for x
   x = 1,213,095,872.72/39,923.84
6. Step 6: Final answer
   x = 30,385.25