Finding the Fourth Proportional to 39,003.39, 58,504.78 and 20,273.76

Step by Step Solution

1. Step 1: Write the proportion equation
   39,003.39 : 58,504.78 = 20,273.76 : x
2. Step 2: Convert to fraction form
   39,003.39/58,504.78 = 20,273.76/x
3. Step 3: Cross multiply
   39,003.39x = 58,504.78 × 20,273.76
4. Step 4: Simplify right side
   39,003.39x = 1,186,111,868.57
5. Step 5: Solve for x
   x = 1,186,111,868.57/39,003.39
6. Step 6: Final answer
   x = 30,410.48