Finding the Fourth Proportional to 47,086, 64,978.68 and 25,865.62

Step by Step Solution

1. Step 1: Write the proportion equation
   47,086 : 64,978.68 = 25,865.62 : x
2. Step 2: Convert to fraction form
   47,086/64,978.68 = 25,865.62/x
3. Step 3: Cross multiply
   47,086x = 64,978.68 × 25,865.62
4. Step 4: Simplify right side
   47,086x = 1,680,713,844.98
5. Step 5: Solve for x
   x = 1,680,713,844.98/47,086
6. Step 6: Final answer
   x = 35,694.56