Finding the Fourth Proportional to 47,139.45, 65,053.71 and 25,630.63

Step by Step Solution

1. Step 1: Write the proportion equation
   47,139.45 : 65,053.71 = 25,630.63 : x
2. Step 2: Convert to fraction form
   47,139.45/65,053.71 = 25,630.63/x
3. Step 3: Cross multiply
   47,139.45x = 65,053.71 × 25,630.63
4. Step 4: Simplify right side
   47,139.45x = 1,667,367,571.14
5. Step 5: Solve for x
   x = 1,667,367,571.14/47,139.45
6. Step 6: Final answer
   x = 35,370.96