Finding the Fourth Proportional to 47,142.81, 65,058.18 and 25,633.78

Step by Step Solution

1. Step 1: Write the proportion equation
   47,142.81 : 65,058.18 = 25,633.78 : x
2. Step 2: Convert to fraction form
   47,142.81/65,058.18 = 25,633.78/x
3. Step 3: Cross multiply
   47,142.81x = 65,058.18 × 25,633.78
4. Step 4: Simplify right side
   47,142.81x = 1,667,687,073.32
5. Step 5: Solve for x
   x = 1,667,687,073.32/47,142.81
6. Step 6: Final answer
   x = 35,375.22