Finding the Fourth Proportional to 47,140.31, 65,054.73 and 25,631.28

Step by Step Solution

1. Step 1: Write the proportion equation
   47,140.31 : 65,054.73 = 25,631.28 : x
2. Step 2: Convert to fraction form
   47,140.31/65,054.73 = 25,631.28/x
3. Step 3: Cross multiply
   47,140.31x = 65,054.73 × 25,631.28
4. Step 4: Simplify right side
   47,140.31x = 1,667,435,546.52
5. Step 5: Solve for x
   x = 1,667,435,546.52/47,140.31
6. Step 6: Final answer
   x = 35,371.76