Finding the Fourth Proportional to 47,078.32, 64,968.24 and 25,857.04

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.32 : 64,968.24 = 25,857.04 : x
2. Step 2: Convert to fraction form
   47,078.32/64,968.24 = 25,857.04/x
3. Step 3: Cross multiply
   47,078.32x = 64,968.24 × 25,857.04
4. Step 4: Simplify right side
   47,078.32x = 1,679,886,380.41
5. Step 5: Solve for x
   x = 1,679,886,380.41/47,078.32
6. Step 6: Final answer
   x = 35,682.80