Finding the Fourth Proportional to 47,081.30, 64,971.45 and 25,860.56

Step by Step Solution

1. Step 1: Write the proportion equation
   47,081.30 : 64,971.45 = 25,860.56 : x
2. Step 2: Convert to fraction form
   47,081.30/64,971.45 = 25,860.56/x
3. Step 3: Cross multiply
   47,081.30x = 64,971.45 × 25,860.56
4. Step 4: Simplify right side
   47,081.30x = 1,680,198,081.01
5. Step 5: Solve for x
   x = 1,680,198,081.01/47,081.30
6. Step 6: Final answer
   x = 35,687.17