Finding the Fourth Proportional to 47,139.69, 65,053.02 and 25,920.33

Step by Step Solution

1. Step 1: Write the proportion equation
   47,139.69 : 65,053.02 = 25,920.33 : x
2. Step 2: Convert to fraction form
   47,139.69/65,053.02 = 25,920.33/x
3. Step 3: Cross multiply
   47,139.69x = 65,053.02 × 25,920.33
4. Step 4: Simplify right side
   47,139.69x = 1,686,195,745.90
5. Step 5: Solve for x
   x = 1,686,195,745.90/47,139.69
6. Step 6: Final answer
   x = 35,770.19