Finding the Fourth Proportional to 47,212.63, 65,154.72 and 25,993.20

Step by Step Solution

1. Step 1: Write the proportion equation
   47,212.63 : 65,154.72 = 25,993.20 : x
2. Step 2: Convert to fraction form
   47,212.63/65,154.72 = 25,993.20/x
3. Step 3: Cross multiply
   47,212.63x = 65,154.72 × 25,993.20
4. Step 4: Simplify right side
   47,212.63x = 1,693,579,667.90
5. Step 5: Solve for x
   x = 1,693,579,667.90/47,212.63
6. Step 6: Final answer
   x = 35,871.33