Finding the Fourth Proportional to 47,009.73, 64,874.79 and 25,790.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,009.73 : 64,874.79 = 25,790.34 : x
2. Step 2: Convert to fraction form
   47,009.73/64,874.79 = 25,790.34/x
3. Step 3: Cross multiply
   47,009.73x = 64,874.79 × 25,790.34
4. Step 4: Simplify right side
   47,009.73x = 1,673,142,891.53
5. Step 5: Solve for x
   x = 1,673,142,891.53/47,009.73
6. Step 6: Final answer
   x = 35,591.42