Finding the Fourth Proportional to 47,078.82, 64,969.20 and 25,858.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.82 : 64,969.20 = 25,858.56 : x
2. Step 2: Convert to fraction form
   47,078.82/64,969.20 = 25,858.56/x
3. Step 3: Cross multiply
   47,078.82x = 64,969.20 × 25,858.56
4. Step 4: Simplify right side
   47,078.82x = 1,680,009,956.35
5. Step 5: Solve for x
   x = 1,680,009,956.35/47,078.82
6. Step 6: Final answer
   x = 35,685.05