Finding the Fourth Proportional to 39,185.02, 54,074.82 and 22,192.57

Step by Step Solution

1. Step 1: Write the proportion equation
   39,185.02 : 54,074.82 = 22,192.57 : x
2. Step 2: Convert to fraction form
   39,185.02/54,074.82 = 22,192.57/x
3. Step 3: Cross multiply
   39,185.02x = 54,074.82 × 22,192.57
4. Step 4: Simplify right side
   39,185.02x = 1,200,059,228.09
5. Step 5: Solve for x
   x = 1,200,059,228.09/39,185.02
6. Step 6: Final answer
   x = 30,625.46